Facebook knows more about your personal life than you probably realize. As part of the company’s increasingly aggressive advertising operation, Facebook goes to great lengths to track you across the web. The company compiles a list of personal details about every user that includes major life events and general interests. For years, details have been murky about how exactly the social network targets ads—but the company has finally given us a glimpse into how the secret sauce is made.
LAST WEEK, FACEBOOK introduced a way to show ads across the web to everyone, not just its own users. At the same time, it added a new privacy setting for people already on Facebook to limit how their activity on the social network shows up in ads elsewhere. It gets confusing! Here’s what’s up.
Researchers at Ishikawa Watanabe Laboratory, the University of Tokyo, and Tokyo Electron Device have developed a high-speed projector system that can track and flawlessly match the complex movements of whatever surface it’s projecting on.
The Supreme Court has confirmed in a ruling that if the government places a GPS tracker on someone’s person or their belongings, the act counts as a search—something that remains protected by the Fourth Amendment.