Photo Sync being aggressively promoted to Facebook's mobile app users It will upload every single picture taken to the social network's servers Facebook will benefit from huge windfall of data it can commercialize It could use that data to build detailed database of users' lives

Facebook has been accused of a massive 'data grab' after encouraging users to allow it to automatically synchronise photos from their mobile devices to the social networks servers.

the photos on their public newsfeed, Facebook itself will still have access.