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Facebook Really Wants You To Come Back (bloomberg.com)
An anonymous reader writes: The social network is getting aggressive with people who don't log in often, working to keep up its engagement numbers, Bloomberg reports. Sample this for instance: It's been about a year since Rishi Gorantala deleted the Facebook app from his phone, and the company has only gotten more aggressive in its emails to win him back. The social network started out by alerting him every few days about friends that had posted photos or made comments -- each time inviting him to click a link and view the activity on Facebook. He rarely did. Then, about once a week in September, he started to get prompts from a Facebook security customer-service address. "It looks like you're having trouble logging into Facebook," the emails would say. "Just click the button below and we'll log you in. If you weren't trying to log in, let us know." He wasn't trying. But he doesn't think anybody else was, either. "The content of mail they send is essentially trying to trick you," said Gorantala, 35, who lives in Chile. "Like someone tried to access my account so I should go and log in."
Doesn't anyone remember the first few years of facebook?
Their modus operandi was to have new users log in and provide login/password for various email or instant messenger accounts. They would then grab as many contacts as possible and spam every contact with "join facebook now!" spam.
This went on for years, until about 2008 or so with the CAN-SPAM act. If you didn't create a facebook account the spam would continue endlessly with no option to make it stop.
If anything facebook is merely showing their true colors once more. Look into how the site was originally set up by creating fake accounts from public profile data of female faculty members. ...but this time you've given facebook access to your smartphone contacts, phone number and heaps of other data.
CAPTCHA: circus
They use what's pretty much a permacookie for login. Not a session-based cookie. My latest-expiring non-session cookie on Facebook (according to Edit This Cookie extension in Chrome) is April of 2019. And remember that this cookie can be reactivated or renewed just by visiting a web site with a FB like button or conversion tracking code. You don't have to be on facebook.com for it to renew.
This is why I use a different email address for every service. If you don't have your own domain, then use one of the many services that let you do this easily. Then you can just delete the email address when companies like Facebook start spamming you. It also lets you know who is selling your email address to advertisers.