Los Angeles Times

By now, most consumers understand that data collection is a core part of advertising-based businesses such as Facebook, Google and Snapchat. The practice can often be a boon to consumers: The more people share with the companies, the better they are able to serve up ads, search results, product recommendations and music and movie suggestions tailored to an individual's liking. Yet many remain unaware of the type of data collected and what companies ultimately do with it. While the answers often lie in privacy policies and terms of service agreements, few take the time to look them over.

The Federal Trade Commission confirmed that it has an opened a "non-public" investigation into Facebook Inc.'s privacy practices. The social media giant's stock quickly dropped more than 5 percent. It's now down more than 20 percent from its Feb. 1 high.

The biggest US antitrust case of this century kicked into high gear as a government lawyer warned that AT&T wants to buy media giant Time Warner to "weaponize" its must-have content — a move that would raise prices for consumers and hinder innovation. AT&T's added leverage over pay-TV competitors to withhold content from some of the most valuable assets in entertainment — including HBO, CNN, TBS, TNT and Warner Bros., Hollywood's largest TV and film studio — would cause prices to rise by more than $400 million a year for Americans, said Justice Department lawyer Craig Conrath.