Zuckerberg said on Wednesday under questioning by US Representative Ben Luján that, for security reasons, Facebook also collects 'data of people who have not signed up for Facebook.' Lawmakers and privacy advocates immediately protested the practice, with many saying Facebook needed to develop a way for non-users to find out what the company knows about them. Second: Facebook is collecting data from lot of places like the apps or websites that lets you log in using your Facebook details.
When you visit a website, the browser you use sends a request to the site's server. Other information comes from "cookies", small files stored via a browser and used by Facebook and others to track people on the internet, sometimes to target them with ads.
Finally, Facebook says the data it receives can help improve the content and ads shown in the app, such as more sports-related content for users who demonstrate an interest in sports.
"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", product management director David Baser said in a post on the social network's blog. Recode also reported that Martin Sorrell, founder and CEO of WPP, the world's largest advertising group, resigned amid an investigation into personal misconduct and improper use of company funds. Now it restricts apps from accessing users' personal data if the app has not been used by them for more than three months.
"We have a responsibility to protect your data, and if we can't then we don't deserve to serve you", Zuckerberg wrote in a Facebook post.
Storm Irene to bring high winds and more rain
A status yellow warning has just been issued for eight countries across Ireland and we're not even surprised. The warning has been put in place from today until Tuesday at 9am.
Essentially, as Facebook grows in power and is correspondingly thrusted into public policy and societal debates - both through its own doing and others - so too does the public's apparent cynicism of the tech giant.
However, he stressed that Facebook doesn't ever sell this information to anyone. "And Amazon, Google and Twitter all offer login features", Facebook said.
"Many companies offer these types of services and, like Facebook, they also get information from the apps and sites that use them".
Facebook claims that many websites and apps use its services to make its content and ads more "engaging".
Facebook has been embroiled in a massive data breach controversy ever since it surfaced that British data firm Cambridge Analytica improperly gathered information on its 87 million users.