Users on Twitter no longer need to follow someone else's account to be able to send that person a private direct message. Now anyone, anywhere can message other users directly.
United Airlines stopped a prominent security researcher from boarding a flight, after a Twitter post by the researcher days earlier suggested the airline's onboard systems could be hacked.
Two significant technological forces are set to collide on Tuesday, April 21: Google's dominance in the search market, and the growing popularity of mobile Web site access.
For teachers, administrators and parents across the U.S., it's become vital to help students acquire the tech skills they will need to excel on standardized tests that now are being offered online.
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