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Are Sat-Nav Systems Becoming Information Overload?

curtS writes "The Economist's tech editor reviews the ever-more-detailed assistance of mobile GPS devices, and wonders if the attention-sucking visual complexity isn't more trouble than it's worth. He contrasts the simplicity of London's Underground map (not directionally accurate but visually easy to understand) and his own habit of dimming the display and using the audio commands for guidance."

5 of 186 comments (clear)

  1. Re:technology editor sucks at technology? by geekmux · · Score: 4, Insightful

    If the guy is a technology editor, why is he struggling with something as simple as a GPS? I'd understand if he was reporting that others had this problem... but come on.

    Ah, I believe the point being brought here is not a matter of being technologically challenged by such a device, but more of the matter of being a device that has gone from being a simple GPS to the new "all-in-wonder" device in the car that will talk to you, answer your phone, play music, give directions, and (soon), start throwing advertisements for local businesses in the area, all at the VERY HIGH cost of distracting the person who is in charge of controlling 2 metric tons of steel down a road at 60MPH or faster.

    As the death tolls rise every day with cellular use while driving(including texting), I can definitely see the issue with similar devices. When insurance companies start refusing to pay for accidents caused by these devices, THEN we may start seeing some REAL reform with all of this. Until then, watch your ass on the roads, because these next-generation twit(ters) can't seem to get enough distractions behind the wheel. I'll be lucky if my kids live to see 30.

  2. Re:technology editor sucks at technology? by digitig · · Score: 5, Insightful

    Yes, but it's only looking at one side of the issue. "Overall, the Carnegie Mellon team concluded that the time drivers spent fixated on their satnav displays decreased sixfold and the number of glances needed to confirm results decreased threefold when the navigation system simply used words and numbers to convey instructions rather than fancy graphics." Fine -- but what did it do to the number of missed turns, or the number of times the driver gets into the wrong lane becuase they don't really understand what the words and numbers are actually telling them to do? They're things that can make drivers "especially vulnerable to doing stupid(which in a car means dangerous) things" too. Most of the time sure, I just listen to my satnav. But at complex junctions, actually seeing the layout and where I'm supposed to end up is invaluable. A picture really can be worth a thousand words.

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  3. Re:What's wrong in getting lost, sometimes, anyway by zippthorne · · Score: 4, Insightful

    Or you could do what I do: just take the next exit and let the sat-nav figure out how to get you back on track. If it takes less than a second to do so, missing a couple streets isn't that big a deal, and there's almost certainly a lower attention-demanding route to wherever. Generally, the most complicated places are highways in traffic with left-exits and short spans.

    But if you take any nearby exit, there's almost always a "street with many stoplights" that you can pretty much take your time on. Sat-nav also helps with tricky left turns on that street. Just turn right anywhere near your destination and let it recalculate a route for you.

    The thing about sat nav is that it creates a new navigation paradigm. If you use it right it can really free you from worrying about where you are so you can concentrate on not hitting things. You don't have to drive straight to your destination without deviating from the route to avoid stopping and getting your bearings. Everywhere is like the areas you're familiar with, where if you miss a turn it's no big deal, you just go one of the other permutations you know all about.

    Even if the machine's maps don't quite match up to reality, it's still no worse than when you're in your familiar area and you're trying out a permutation you're fuzzy on: Just turn off when it doesn't match up and get on a route that you know about. As long as you pay attention to the road, the worst thing that can happen is that it'll take longer to get where you're trying to go (unless where you're trying to go is in the middle of a block of roads that the sat-nav is not accurate on. But that's pretty rare.)

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  4. Re:If you can't ignore the GPS by supernova87a · · Score: 4, Insightful

    By the way, just a tip for everyone -- I've found that ironically the bus is actually where a GPS makes the biggest improvement in knowing how to get around.

    If you're in an unfamiliar city, buses (in contrast to trains) often have a frustratingly indescribable and unpredictable route/stop pattern, and when the driver/announcement system is of no help, a GPS system in your hand will help you figure out exactly how close you are to your destination, and when to get off the bus.

    I no longer dread dealing with buses because of this capability, although the lurching stop/start of buses in general still drives me crazy. Try it sometime -- the small Nuvi-style units are just about as inconspicuous as an ipod, and are great for helping you get around.

  5. Re:.no by not-my-real-name · · Score: 3, Insightful

    I'll see your European anecdote and raise you one. In 2005 I spent 4 weeks driving around Europe with my wife and parents. We had no GPS, but plenty of maps. We were able to find our way into and out of all sorts of out of the way places. The only trouble was trying to meet one cousin where we were waiting on one side of the freeway and he was waiting on the other side.

    Now, I've always been good with maps, have a good sense of direction, and a good spacial sense. Not everyone is good with maps or navigating.

    On the other hand, often people get their trips too structured. Having a little less structure, a willingness to improvise, and a sense of adventure can result in a really memorable trip.

    In your case, the GPS gave you the confidence to get off the beaten path. However if you were just blindly following its directions, you might still be sitting on the autobahn.

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