Japanese e-commerce giant Rakuten has today announced its $900 million acquisition of Viber. The hugely popular messaging and VoIP service will help Rakuten expand its digital ecosystem even further, and it marks its first foray into voice communication.

BlackBerry today announced the arrival of BBM 2.0 for Android and iOS, which brings BBM Channels, BBM Voice, and other new features to the popular cross-platform messaging app. The Canadian company first teased this update back in December, and now it is finally rolling out through the App Store and Google Play.

Rovio began teasing its latest Angry Birds spinoff on Wednesday — without actually revealing the name of the new game. But based on the promotional poster above, which was posted on the studio’s new blog this morning, we now know the title will be based around the lovable Stella and her feathered friends.

Windows Phone is over three years old now, but its app catalog still looks pretty slim when compared to rival offerings from Apple and Google. In an effort to plug the gap, Microsoft could allow Windows and Windows Phone users to run Android apps — just like BlackBerry 10 does.

Google has today confirmed in a regulatory filing that it has completed its $3.2 billion acquisition of Nest Labs, the smart home thermostat company founded by Apple’s former iPod chief, Tony Fadell.