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Mobile Minutes: Facebook Group app; WhatsApp encryption; AT&T, Starbucks offer wireless chargers; Viber's Public Chats

Facebook spins ?Groups? into separate app
Facebook, in its continuing effort to unbundle its core features into standalone services, is launching an app dedicated to Groups. Smartphone users will still be able to access Groups from Facebook?s core mobile app. But Facebook is betting that giving Groups its own app will boost use of the feature on mobile phones.
Read more on Wall Street Journal

WhatsApp moves to protect messages from snoops
The Mountain View, Calif-based app has incorporated software from TextSecure, an open-source app for sending encrypted messages on Android, in what may be the largest deployments of an encryption service ever.
Read more on Forbes

AT&T and Starbucks bring wireless phone chargers to some coffee shops
AT&T and Starbucks said that beginning Tuesday, Starbucks would offer wireless charging in at least 200 of its cafes in the United States.
Read more on New 
York Times

Viber's new service lets you spy on celebs? chats
Internet phone app Viber has launched a social media platform that allows users to peek in on celebrities' conversations. Public Chats is Viber's first foray into social media pitting it up against the likes of Vine, Facebook and Twitter.
Read more on CNBC