Facebook Lite, a stripped-down version of the full-fledged Facebook app, has just been released to the Google Play Store, made specifically to use less data and to work well across all mobile network types.
Facebook Messenger video calling is now available globally
Facebook introduced free video calling within its Messenger app back in April, though at the time it was only supported in select countries. The good news is that this changes today, as Facebook has now rolled out global access to the feature!
Facebook introduces free video calling to Messenger