The top trending tech headlines for Wednesday, July 22: Twitter bans 7,000 QAnon accounts; Facebook examines racial bias on its platforms; Facebook Messenger adds privacy controls for users, SpaceX Starhopper to take flight this week; The Samsung Galaxy Z Flip 5G and more. . . . . . . #twitter #qanon #facebook #dataprivacy #tech #spacex #starhopper #samsunggalaxyzflip #digitaltrends #dtlive