Tough luck if you don't want "engaging" ads.
Zuckerberg began to explain a few of the basics, but eventually said his team would follow up with more information later.
"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", David Baser, a product management director, wrote in a blog post.
"You said that everyone controls their data, but you're collecting data on people who are not even Facebook users, that have never signed a consent, a privacy agreement."-U.S".
Social plugins, like the "Share" or "Like" buttons, which you can find on outside websites, like shopping pages and news articles.
During the 10-hour long testimony last week, Facebook has disclosed the amount it spends on Mark Zuckerberg's security and travel among other expenses. Now it restricts apps from accessing users' personal data if the app has not been used by them for more than three months.
Facebook, in return, helps those websites serve up relevant ads or receive analytics to study how people use their services.
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Other companies, including Twitter (NYSE:TWTR), Pinterest and LinkedIn (NASDAQ:MSFT) have similar setups, Facebook says. Suppose, for example, if Facebook didn't collect your location then it would display the content in some random language, say Serbian or any Nordic language which you might not know.
Baser reiterated that Facebook does not sell people's data. These and many other companies offer advertising services too.
Whenever you visit other websites, Facebook, either through its services on those websites or through the cookies (basically a form of code which tracks users' activities over the internet) stored on your browser, collects location, browser information including your past activities and operating system, among others.
Facebook was recently considered the least trustworthy of protecting users' personal information following a spate of unseemly revelations and happenings, which, along with another poll, shows a fast changing mindset for Zuckerberg and the company once ostensibly regarded as darlings of the American dream and economy.
"Because of the high visibility of our company, our compensation and governance committee has authorized an overall security program for Mark Zuckerberg to address safety concerns due to specific threats to his safety arising directly as a result of his position as our founder, Chairman, and CEO", Facebook said in its disclosure.
- Facebook ads and measurement tools, which enable websites and apps to show ads from Facebook advertisers, to run their own ads on Facebook or elsewhere, and to understand the effectiveness of their ads.
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.