Facebook for years gave major tech companies, including Yahoo and Netflix, greater access to people’s data than it disclosed, a New York Times investigation found. The partnerships helped Facebook draw new users, ramp up its advertising revenue and embed itself on sites across the web.
This is how some of the key deals worked.
In 2011, when Yahoo and Facebook announced their partnership, social networking features were seen as crucial to attracting users to existing websites. In a news release that September, Yahoo.....