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DDoS-Style YouTube Dislikes For Sale

An anonymous reader writes: Dell's Joe Stewart chronicles the tale of the YouTube channel that came under attack in the form of an avalanche of 'dislikes' for any videos that touched upon a certain company or even which examined themes around the company's product without mentioning it. The number of dislikes was so disproportionate to the casual number of viewers for the channel, and so concentrated as to constitute a particular type of net-attack — one that appeared to originate in Vietnam. Stewart eschews the notion of a "cottage industry" of Vietnamese YouTube "dislikers" in favor of the fact that any network exploits are eminently reproducible in a country which has only five ISPs among nearly ninety million people — and a widely distributed vulnerable router.

66 comments

  1. people pay attention to likes on youtube? by known_coward_69 · · Score: 1

    or dislikes?

    1. Re:people pay attention to likes on youtube? by Anonymous Coward · · Score: 5, Informative

      Likes and dislikes alter youtube's video sorting algorithms. A pile of dislikes may be enough to bury a video under irrelevant search results.

    2. Re:people pay attention to likes on youtube? by Anonymous Coward · · Score: 0

      I suspect that the people who run channels with large subscriber counts care about likes and dislikes. For someone with a small channel I do not think it matters so much. Also, since Dave appears to receive a significant amount of revenue from his channel it is not at all unreasonable for him to see this as a person (or persons), unknown attempting to muck about with his revenue stream. I would be rather annoyed about this too, were I in his shoes.

    3. Re:people pay attention to likes on youtube? by Anonymous Coward · · Score: 0

      No, but google's algorithm does, and that opens the door to all sorts of evil.

      Think about any controversial topic - global warming, evolution, presidential candidates. By manipulating likes/dislikes you can push results that don't suit your evil agenda into oblivion.

    4. Re:people pay attention to likes on youtube? by Anonymous Coward · · Score: 1

      It was my understanding that dislikes weren't actually harmful - no matter what rating you give, it still improves the channel's "engagement" rating, which is why there are so many clickbait channels out there posting controversial bullshit (and making a killing on advertising revenue)...

    5. Re:people pay attention to likes on youtube? by rudy_wayne · · Score: 1

      How do I dislike this stupid story?

    6. Re:people pay attention to likes on youtube? by Anonymous Coward · · Score: 4, Informative

      dave has said himself that youtube told him that likes vs dislikes does not effect the sorting, its all about activity, dislikes is a form of activity, so it would actually boost his video in the sorting algo.

    7. Re:people pay attention to likes on youtube? by GrumpySteen · · Score: 3, Insightful

      Press Alt-F4 and go outside.

    8. Re: people pay attention to likes on youtube? by Anonymous Coward · · Score: 0

      Its about the product more really than the dislikes. The dislikes dont matter. That batteriser company is full of shit does matter. Backfired in them pretty nicely though.

    9. Re:people pay attention to likes on youtube? by Stonent1 · · Score: 1

      Believe it or not, there are many people out there in which YouTube is their source of income. Dave Jones is one of them. He makes enough that he has made it his full time job. Let's say there's some a-hole at work that has it in for you because you you pointed out a technical flaw in something they did. Now this person has made it a point to try to mess with you whenever they can, and at your next salary review your boss points out that one or more co-workers has been saying this and that about you and that you need to shape up or you don't qualify for a raise.

    10. Re:people pay attention to likes on youtube? by Anonymous Coward · · Score: 0

      But I run linux you insensitive clod! Oh wai

    11. Re:people pay attention to likes on youtube? by Lumpy · · Score: 1

      Just press and hold the power button on your computer for 10 seconds, this is a hidden dislike button.

      Alt-F4 is how you gain admin rights in IRC.

      --
      Do not look at laser with remaining good eye.
    12. Re:people pay attention to likes on youtube? by ls671 · · Score: 1

      Unfortunately my computer turned itself off after I counted to one-thousand-5, 5 seconds. What an unfortunate bummer...

      I am going to try again but if I don't succeed, is there any other way to reproduce the dislike button behavior you are describing?

      I am really eager to use that new functionality you just taught me.

      Thank you in advance,

      --
      Everything I write is lies, read between the lines.
    13. Re: people pay attention to likes on youtube? by Anonymous Coward · · Score: 0

      He lied, you are supposed to rapid fire the power button until you hear a pop.

    14. Re: people pay attention to likes on youtube? by Anonymous Coward · · Score: 0

      We live in a world where anyone can go to a restaurant and talk to a manager, say random employee was rude and get them fired even if you never interacted with them.
      Why should a YouTube job be any more secure?

    15. Re:people pay attention to likes on youtube? by Anonymous Coward · · Score: 1

      I just go there for the comment drama. Like /. lol....

    16. Re:people pay attention to likes on youtube? by ls671 · · Score: 1

      Here is what I get for the new Slashdot look. Could you please tell me what is wrong???
      Thanks in advance!

      Error 1003
      Ray ID: 221eff098cfa1858 2015-09-07 02:31:14 UTC
      Direct IP access not allowed
      What happened?

      You've requested an IP address that is part of the CloudFlare network. A valid Host header must be supplied to reach the desired website.
      What can I do?

      If you are interested in learning more about CloudFlare, please visit our website.

      CloudFlare Ray ID: 221eff098cfa1858 Your IP: 96.21.54.189 Performance & security by CloudFlare

      --
      Everything I write is lies, read between the lines.
    17. Re:people pay attention to likes on youtube? by Anonymous Coward · · Score: 0

      That's been patched in recent versions of mIRC for a while. Now you need to hold the Alt key and type F A X M A C H I N E to re-enable the bug.

    18. Re:people pay attention to likes on youtube? by AmiMoJo · · Score: 1

      Okay, you are were right the phone signal is a lot better out here, now what?

      --
      const int one = 65536; (Silvermoon, Texture.cs)
      SJW, n: "Someone I don't like, and by the way I'm a fuckwit" - AC
    19. Re:people pay attention to likes on youtube? by AmiMoJo · · Score: 1

      It affects search results, especially on Google. When you get video results in with with the main web results they tend to be less "controversial" ones with few dislikes.

      --
      const int one = 65536; (Silvermoon, Texture.cs)
      SJW, n: "Someone I don't like, and by the way I'm a fuckwit" - AC
    20. Re:people pay attention to likes on youtube? by swillden · · Score: 1

      Likes and dislikes alter youtube's video sorting algorithms.

      Cite?

      --
      Note to ACs: I usually delete AC replies without reading them. If you want to talk to me, log in.
  2. EEVblog by thygate · · Score: 4, Insightful

    Dave Jones from EEVblog noticed this after debunking some myths about a kickstarter project (the infamous batteriser) Here's his video about it : https://www.youtube.com/watch?...

    1. Re:EEVblog by QuasiSteve · · Score: 1

      1. From the article (I know, I know):

      Recently, one of my favorite YouTube channels, Dave Jonesâ(TM) EEVblog, came under attack after having published a series of videos debunking a product claiming to vastly extend the life of alkaline batteries

      2. Subtle, but not entirely unimportant: it's an IndieGoGo project, not a Kickstarter.

    2. Re:EEVblog by TheGratefulNet · · Score: 1

      that was what first came to mind to me, too.

      dave and the eevblog have come a long way, haven't they? they are now THEY site for the subject matter at hand. dave must really be enjoying his luck; and it was a lot of luck - its a great site and all, but he's not all that unusual or exceptional; many of us in the field have the background and experience he has. but his site really took off (and I don't have a problem with that, I spend a lot of time there, too) and now the bloke's fairly well known and his site is the top one in its field.

      and of course, more than half the value of the site is the people that hang out there. he really has attracted a very high quality audience. lots of good info and sharing there.

      and so, yeah, the batterizer thing was what came to mind when I first saw this slash article. knew someone would bring the eevblog incident up, right quick ;)

      --

      --
      "It is now safe to switch off your computer."
    3. Re:EEVblog by Anonymous Coward · · Score: 1

      What, people here actually read the article? This is not the Slashdot I know and love.

    4. Re:EEVblog by arglebargle_xiv · · Score: 1

      I love EEVblog, it's fantastic stuff, but Dave has a voice that's even more annoying than Cilla Black. And that might be the reason for the dislikes, that having to listen to a voice that compares unfavourably to fingernails on a chalkboard would lead to negative votes.

    5. Re:EEVblog by Z80a · · Score: 1

      Except he showed the youtube statistics the videos, and there are clear spikes from Vietnamese "viewers" disliking only the batterizer and batterizer related videos.

    6. Re:EEVblog by arglebargle_xiv · · Score: 1

      It was meant as a tongue-in-cheek comment. I love his work, but it's like listening to Steve Irwin after he's had eight espressos.

    7. Re:EEVblog by inasity_rules · · Score: 1

      This, too, can be turned into a drinking game...

      --
      I have determined that my sig is indeterminate.
    8. Re:EEVblog by Anonymous Coward · · Score: 0

      Kickstarter is quickly becoming a generalized trademark for 'crowdfunding through the internet'.

  3. Vietnam's vote brigade by Anonymous Coward · · Score: 0

    This quote from second linked article:

    Stewart notes the Vietnamese provenance of the ‘dislike attacks’, and concedes that the original actors involved could simply be proxying their requests through Vietnam. So one can’t blame Vietnam, for sure.

    Well, yeah actually you could. The Vietnamese Communist Party's Head of Propaganda admitted the Vietnam government employs it citizens as "internet polemicists" - its a real thing. So its not really a stretch to believe that the Vietnamese government is looking to pick up some revenue by being a for-hire vote or comment brigade.

    Sure, Stewart could be right about the attack coming from a botnet consisting of Vietnamese systems, but I don't think that that automatically rules out the Vietnamese government's involvement.

  4. Only 5 ISP's for 90 million people? by Anonymous Coward · · Score: 3, Insightful

    They're going to have to whittle that down to 1 or 2 if they want to compete with western monopoly tactics.

  5. One more dislike by lucm · · Score: 0

    The video is a 38 minutes rant against a product that allegedly extends the life of disposable batteries. The author doesn't disagree with the technology or the fact that it can extend battery life, he just loses his shit about the 8x claim and some other minor things.

    38 minutes of outraged, sneering engineering babble with an extremely annoying voice, bad infographics and lots of screenshots. Whoever rented a Vietnamese hacker (or whatever) to add 5,000 dislike on that video should be thanked by Youtube viewers as a whole.

    Long story short, I disliked that video.

    --
    lucm, indeed.
    1. Re:One more dislike by drooling-dog · · Score: 2

      Nevertheless, if you were considering an investment (or a job) in that company, it's something that you might want to look at before making your decision.

    2. Re:One more dislike by Anonymous Coward · · Score: 0

      The guy is annoying as fuck.

    3. Re:One more dislike by drinkypoo · · Score: 1

      38 minutes of outraged, sneering engineering babble with an extremely annoying voice

      Yeah, that was the video that convinced me that I don't need to watch that guy. That could have been a three minute video and still had extra content.

      --
      "You're right," Fisheye says. "I should have set it on 'whip' or 'chop.'"
    4. Re:One more dislike by Anonymous Coward · · Score: 0

      38 minutes of outraged, sneering engineering babble

      You're not the target audience if that is one of your opinions about Jones' content. The technical discussions are accurate, backed by quite a bit of real-world, commercial industry experience and are only "sneering engineering babble" to those who cannot understand it or have a bone to pick. For those with the technical background to understand, it is not presented in a "sneering" manner.

      The Batterizer is supposed to ship sometime this year and we'll see if it achieves its claims of extending a battery's life by up to 8x. I've got the chops to understand the science behind the technology and all I'll say is that the makers of Batterizer will likely have to create their own battery-powered devices to provide any real-world example of a product that can get an 8x increase in battery life from using the Batterizer. Practically every other electronic device on the market will be *very* lucky to get 10% extra battery life. That is, one has to deliberately badly-design an electronic device to be wasteful enough for Batterizer to make a meaningful difference.

    5. Re:One more dislike by caseih · · Score: 4, Informative

      Sure but these factory dislikes that were purchased don't even correspond to any views whatsoever.

      Personally I found his video very enlightening. I appreciated how in-depth he was explaining from the various data sheets what really happens to batteries.

      He could have shortened things a lot with the following summary:
      - most electrical devices are engineered to work with lower-voltage rechargeable batteries which have a cutoff of 1.1 volts
      - Thus most devices work on a voltage all the way down to 1.1 volts per cell, not the 1.35 or 1.4 volts claimed by the company
      - hence there's very little "wasted" power in an alkaline cell once it hits this 1.1 cutoff.
      - Claims of 8x battery life are completely false
      - Even if a badly-designed device cut off at 1.4v, the efficiencies of the voltage booster circuit would eat up a lot of the remaining power trying to hold the voltage to 1.5v, especially at low amperages.

      Like I say I appreciated his clear explanations of the physics, electronics, and science behind battery operation.

    6. Re: One more dislike by Anonymous Coward · · Score: 0

      And if you were really as well versed in electronics as you'd like to appear, you would have written "amperage" when you probably meant "current."

    7. Re: One more dislike by lucm · · Score: 0

      caseih's summary is simple and easy to understand (a lot more than the confusing stuff posted by the author of that video). If someone here is trying to "appear well-versed in electronics" it's not him.

      --
      lucm, indeed.
    8. Re: One more dislike by Anonymous Coward · · Score: 0

      Sure, and then what do you do when Batteriser says "You're explaining it wrong, therefore we are right".

    9. Re: One more dislike by lucm · · Score: 1

      You do nothing at all. The argument here is not with Batteroo (the organization behind batterizer). The argument is: does this video deserves a shitload of dislikes, based on the quality of the video itself. And the answer is yes.

      If the guy makes another video, a shorter one that explains clearly the issues with Batteroo's claims, and he still gets tons of dislikes, then we can revisit this discussion.

      --
      lucm, indeed.
  6. Not just vietnam. by Anonymous Coward · · Score: 0

    Years ago I had a steady 8,000+ dislike brigade from Norway. This is not new.

    1. Re: Not just vietnam. by Anonymous Coward · · Score: 0

      Agreed. This is not new. Obviously you can buy a lot more than just YT dislikes, and no we don't need a story for each task.

  7. Problems in Vietnam, have I been hacked? by wisebabo · · Score: 3, Interesting

    Now that might explain some recent strange network problems that I've been having here in Vietnam. About 3 weeks ago, Google started denying my searches saying that due to the large number of attacks coming from your network they would refusing traffic (or something like that). I immediately checked my home network (a fiber optic TOTOlink router) and changed the password but the messages persisted. (They're gone now.)

    I thought that perhaps I had a (lot of) neighbors who had been compromised/involved in attacks and perhaps Google was casting a wide net (blocking a large subnet of the ISP or even the entire ISP) and that I was just caught up in it. That may be the case, like the summary says there are few ISPs and presumably few different routers being used so it would be easy for a hacker to exploit a vulnerability and command a botnet of thousands of routers. On the other hand, I looked up TOTOlink router vulnerabilities and it said that there is an unpatched backdoor to my model so it is vulnerable. I assume this is true even if I changed my passwords.

    So (since I'm obviously not an expert) my question is: is it likely that my router has been hacked? Will it allow the hacker to use it as a "bot"? Is my (unencrypted) traffic vulnerable to interception/change/man-in-the-middle attacks? Or is it more likely that Google isn't blocking my little network (that is attached to the internet by a single dynamic IP address) specifically but is blocking a large portion or even the entire ISP (in my case Viettel?).

    I hope whoever can answer my questions is rewarded Karmically! Thanks! :)

    1. Re:Problems in Vietnam, have I been hacked? by Gaygirlie · · Score: 2

      So (since I'm obviously not an expert) my question is: is it likely that my router has been hacked? Will it allow the hacker to use it as a "bot"? Is my (unencrypted) traffic vulnerable to interception/change/man-in-the-middle attacks? Or is it more likely that Google isn't blocking my little network (that is attached to the internet by a single dynamic IP address) specifically but is blocking a large portion or even the entire ISP (in my case Viettel?).

      I hope whoever can answer my questions is rewarded Karmically! Thanks! :)

      1) Google your router model for vulnerabilities. If there are unpatched vulnerabilities or your router's firmware is outdated then answer is "yes." 2) Yes. 3) Yes, and your encrypted traffic is also subject to man-in the-middle and all that. Router has access to all your network-traffic so it can redirect DNS-queries and all that, and man-in-the-middle becomes real easy to do. 5) Either or both. We have no way of knowing, but you need to check your own network and equipment anyways.

    2. Re:Problems in Vietnam, have I been hacked? by Anonymous Coward · · Score: 0

      No. This is the point of SSL. His traffic is at no greater risk of MTIM than if any of the other pieces of network hardware are compromised, which they almost certainly are.

    3. Re:Problems in Vietnam, have I been hacked? by AmiMoJo · · Score: 1

      You have fibre to your home? I'm envious.

      --
      const int one = 65536; (Silvermoon, Texture.cs)
      SJW, n: "Someone I don't like, and by the way I'm a fuckwit" - AC
    4. Re:Problems in Vietnam, have I been hacked? by wisebabo · · Score: 1

      Yeah, I got fiber from Viettel, it's supposed to be 38Mb/sec but you really only see that at night when network congestion is low. I think the bottleneck is the few (two?) international fiber links that connect Vietnam to the outside world and that have very frequently(!!!) been cut. They've been cut so often and (almost always?) in the spot that only affects Vietnam's traffic that I suspect that China has a hand in it. (I'm assuming that China might have some deep sea technology that no other nation in the South China sea has).

  8. EEVlog by AndyKron · · Score: 1

    Nice seeing Dave's EEVlog getting some Slashdot attention.

  9. BATTERISER SHILL!!! by Anonymous Coward · · Score: 0

    You're just a shill for that company, aren't you? He showed people making similar comments in reply to his story.

    1. Re:BATTERISER SHILL!!! by lucm · · Score: 2, Informative

      He showed people making similar comments in reply to his story.

      Those are probably people who watched the video (as opposed to you).

      See, I don't dislike that he debunks the claims of the batterizer thing. I actually clicked the Play button because I too was finding the thing fishy. But after 2 minutes I just found it unbearable, so I clicked on the link he provided that says "Click here if you don't want to spend 40 minutes watching this crap" and this was a link to his blog or something.

      The blog post starts with this:

      Many people have asked for a much shorter explanation of the claims, so here we go, for those who can’t afford the 40 minutes

      And guess what, even that blog post was awful and unreadable. I managed to read about 1/3 before scrolling to the Summary at the bottom (which is now about at 1/2 the page because he keeps adding stuff below), and his Summary is another 4 paragraphs that I summarized in 1 sentence ("The author doesn't disagree with the technology or the fact that it can extend battery life, he just loses his shit about the 8x claim and some other minor things").

      See for yourself: http://www.eevblog.com/2015/06...

      The guy may be a skilled engineer and such, but he's a terrible communicator, and his video deserves a lot of Dislikes because it sucks.

      --
      lucm, indeed.
    2. Re:BATTERISER SHILL!!! by l0n3s0m3phr34k · · Score: 1

      sounds like he needs some Adderall or something for his attention deficit syndrome.

  10. Systems that only allow likes, vs likes and dislik by Solandri · · Score: 3, Interesting

    This is one of the problems with a rating system which allows dislikes. To quote from my earliesr posts on the topic: The average ranking is not rank = (up - down) like you'd think.. It's rank = p1*up - p2*down. Where p1 is the size of the population which would rank it up, and p2 is the size of the population which would rank it down. Unfortunately, p1 and p2 aren't perfect, and a certain percentage of them will vote stuff up/down just because it makes them comfortable/uncomfortable. If they canceled each other out, there would be no problem. But if the size of p2 is >> p1, then that small percentage of p2 can be larger than all of p1. A minority viewpoint consequently gets a disproportionate number of unfair downvotes simply because it's a minority viewpoint, and thus has to garner a lot more upvotes just to obtain an equal ranking to a majority viewpoint.

    For an apolitical, non-religious example, consider Windows vs. Linux. Say Windows users outnumber Linux users 50:1. Now imagine if a search engine let you rate search results based on whether they were useful or not useful, which is then used to prioritize subsequent search results. In every population, there's going to be an idiot segment who votes stuff down simply because the search result was irrelevant it was to their query, not because they thought it was wrong. Consequently, if a search for hard disk repartitioning brings up four Windows sites and one Linux site as the top results, the Linux site is going to have 50x as many downvotes from those idiot users who never specified Windows in their search but were upset that an "irrelevant" Linux site was included in the search results. If the idiot segment of the Windows population exceeds 2% (numerically equivalent to 100% of the Linux population), that Linux site will end up with a negative rating regardless of how useful or informative it is.

    In this case, if a % of p2 is a government-directed smear campaign in control of millions of voters, it can be sufficient to overwhelm p1 and bury a YouTube video with dislikes. (For similar reasons, it's folly to allow non-democratic nations to participate in democratic votes like in the UN. You end up with things the Commission on Human Rights controlled by a bunch of countries who don't respect human rights simply because they have the majority of votes.)

    I suspect rating systems fall under similar limitations as Arrow's Impossibility Theorem, and there's no way to develop a perfect rating system. So you need to dispense with the notion that there is one "best" rating system. One is not better than another, they simply tell you different things about what the population is thinking.

    To its credit, YouTube still allows you to see the raw number of likes and dislikes, so you can simply ignore the dislike count if you wish. It would be good though if they let you customize their search algorithm per individual account, so you could give more or less weight to certain things like number of likes or dislikes. That would dilute the impact of (purported) smear campaigns like this, as well as drive the SEO people nuts.

  11. Re:Systems that only allow likes, vs likes and dis by Anonymous Coward · · Score: 0

    For an apolitical, non-religious example, consider Windows vs. Linux.

    Haha. You consider Windows vs Linux 'non-religious' and 'apolitical'?

  12. Re:Systems that only allow likes, vs likes and dis by Anonymous Coward · · Score: 0

    The downside of not having dislikes is that in practice this means everything is disliked by default. It tends to become very hard to distinguish minority viewpoints, niche interests and simply new material from the genuinely bad stuff. And because as a rule only things which are already near the top gather new likes, that means the problem gets worse and worse over time. It's already a bit of a problem on sites with both, but I've been on sites without dislikes and they grow stagnant really fast. Then there is the problem that instead of burying a specific set of videos, evildoers might want to promote videos also. Let's remove likes as well.

    It's trying to find a technical solution to a non-technical problem. I cannot see it working. It requires human judgement.

  13. Re:Systems that only allow likes, vs likes and dis by Anonymous Coward · · Score: 0

    It was, until Lennart Poettering started programming software for GNU/Linux

  14. FTC to the rescue? by Forever+Wondering · · Score: 1

    In a recent court decision, the FTC's power to levy fines against a company with poor cybersecurity has been affirmed: http://it.slashdot.org/story/1...

    With car manufacturers, sell a car with defective brakes and the FTC can order the manufacturer to recall the vehicles and fix the brakes, regardless of the model year. If the manufacturer fails to implement the recall, the FTC can fine the manufacturer up to $16,000 for each vehicle in the field. With [say] 100,000,000 vehicles in the field, this is a $1.6 trillion fine.

    The FTC recently fined Fiat/Chrysler over failing to implement a recall http://tech.slashdot.org/story... They tempered the amount of the fine to be enough to generate some pain but not so much as to bankrupt the company.

    It's not much of a stretch to extend this to router vendors. Fix security problems and issue a patch [the recall] or face a fine. The fine would far exceed the relatively small NRE cost of fixing the problem in the first place.

    As a side note, this would get security fixes issued for older Android versions (e.g. even 2.0.x) as the FTC could fine any vendor that thumbed its nose at such support: Google, phone manufacturer, and/or telco that was the "obstinate" link in the chain.

    No more of this WONTFIX nonsense [except on latest flagship gear] that leaves consumers that paid good money and got hung out to dry.

    --
    Like a good neighbor, fsck is there ...
    1. Re:FTC to the rescue? by Anonymous Coward · · Score: 0

      In a recent court decision, the FTC's power to levy fines against a company with poor cybersecurity has been affirmed: http://it.slashdot.org/story/1....org/story/1... [slashdot.org]

      Regardless of any US court decisions, The FTC can't level fines against a Vietnamese ISP:

      and so concentrated as to constitute a particular type of net-attack — one that appeared to originate in Vietnam.

  15. Its not the routers, its the cheap human labour. by citizenr · · Score: 1

    Vietnam dislikes were only on the first day of dislike flood. Second day saw Venezuela/Czech/Latvia dislikes with no corresponding video views = load page, hit dislike, close page.

    You could argue Vietnamese ISP infrastructure is purely secured. But what about Venezuela/Czech/Latvia? What is a simpler more likely explanation, that they all use insecure routers, or maybe that they are all very poor countries with people willing to work as mechanical turks?

    As for the Indiegogo Batteriser SCAM itself, it has been thoroughly debunked in this Video:
    https://www.youtube.com/watch?...

    Batterscam claims this very model of GPS eats Duracell AA batteries in 2hours, and they can extend this up to 10 hours. Too bad every review of this GPS unit tested battery life already and reached ~15 hours.

    SCAM claims below 2 hours normal usage and 10 hours with their miracle snake oil applied, independent test gets 17 hours straight from factory. Cant get any clearer than that.

    --
    Who logs in to gdm? Not I, said the duck.
  16. It doesn't matter. by Anonymous Coward · · Score: 0

    Likes and dislikes on youtube dont' fucking matter. All that matters is interaction. If your video gets a shit-ton of dislikes, youtube counts that as activity... which is GOOD. It promotes your video, just as if it received a ton of *LIKES* instead.

  17. Ob by Hognoxious · · Score: 1

    Charlie don't like.

    --
    Confucius say, "Find worm in apple - bad. Find half a worm - worse."
  18. Re:Systems that only allow likes, vs likes and dis by AmiMoJo · · Score: 1

    It works both ways of course. Many people have been trained to "like" everything they see on social media platforms like YouTube.

    There is also the obligatory XKCD problem. A large number of up-votes is just as useless as a large number of down-votes in many cases.

    --
    const int one = 65536; (Silvermoon, Texture.cs)
    SJW, n: "Someone I don't like, and by the way I'm a fuckwit" - AC
  19. Re:Systems that only allow likes, vs likes and dis by burbilog · · Score: 1

    I suspect rating systems fall under similar limitations as Arrow's Impossibility Theorem [wikipedia.org], and there's no way to develop a perfect rating system. So you need to dispense with the notion that there is one "best" rating system. One is not better than another, they simply tell you different things about what the population is thinking.

    It's possible to build perfect rating system based on ratings if final rating is based on personal preferences. I.e. if you upvote this page and downvote that page then all similar pages get similar up/down calculations and all search results are altered accordingly -- only for you. But it's very resource-intensive compared with today systems.