Facebook collects data on non-users and logged out users alike, a company representative acknowledged Monday in a blog post.
Non-users can’t opt out of this data collection, but it isn’t used to target them with ads, a spokeswoman said.
Logged-out users can opt out of ad targeting based on their off-Facebook activities — but not the data collection.
Even if you’ve never signed up for Facebook or have logged out of your account, the social networking company is likely tracking your virtual movements — and it doesn’t offer any way for you to opt out.
Facebook tracks users who visit apps and websites that have incorporated services like its “like” and “share” buttons, David Baser, the company’s product management director, said in a blog post Monday. Because the sites and apps don’t know which of their visitors and users are signed up with Facebook, they can’t distinguish between users and non-users of the social network when sending data to Facebook, Baser said.
“When you visit a site or app that uses our services, we receive information even if you’re logged out or don’t have a Facebook account,” Baser said in the post.
Among the information Facebook collects on non-users are their internet protocol (IP) addresses, the operating system and web browser they’re using, and the presence of cookies. IP addresses can be used to infer users’ geographic location, and cookies frequently act as “identifiers that websites use to know if you’ve visited before,” Baser said.
Non-users can’t see what information Facebook has collected about them, nor can they opt out of that tracking through the site, a company spokeswoman said. That’s precisely because they don’t have an account on the service, she said.
The question of what kinds of information Facebook collects on non- and logged-out users came up during CEO Mark Zuckerberg’s …read more
Source:: Business Insider