Box.net is giving away another 50gb free to its existing and new users. This coincides with their launch of the Box for Android app, which introduces bulk upload, commenting and collaboration features. To get this free upgrade, users have to access their Box.net account from an Android device.
Read more at Android Users Get 50GB FREE. Get Your #Box50GB and Enter the Box Mobile Giveaway | The Box Blog and Bonjour! Box for Android Adds New Collaboration Features and a 50GB Upgrade to Boost Productivity | The Box Blog.