Browsing: Facebook

Chief executives from four of the biggest US technology companies will face a moment of reckoning on Wednesday in an extraordinary joint appearance before lawmakers.

The biggest US technology companies have gone on a buying spree this year, waving off intense scrutiny from competition watchdogs and critics who say they’ve bolstered their power by snatching up nascent rivals.

TikTok has become one of the world’s most popular apps by serving up a steady beat of lip-syncing videos and viral memes. But it’s also scooping up massive amounts of data on its users and tracking their every move.