In social media, anonymous messaging apps are growing in popularity. Whisper, YikYak and Secret mask your true identity, and now Facebook has jumped in on the trend.lets you chat without revealing your real name -- but there's a twist. Users create rooms, and you can only join a room if you know the invite code. Watch CNET Update to learn how it works:
Also in this tech-news roundup:
- The anti-Facebook network Ello raised $5.5 million to stay ad-free.
- for the new iPhones -- not iPads.
- AT&T is selling last year's Amazon Kindle Fire HDX, .
- Target takes on Amazon by offering -- and it doesn't matter how much you spend.
CNET Update delivers the tech news you need in under three minutes. Watch Bridget Carey every afternoon for a breakdown of the big stories, hot devices, new apps, and what's ahead. Subscribe to the podcast via the links below.