Earth2Tech | Nearly 40% Of Facebook Use Is From Mobile Apps TechCrunch One thing we don't know – and can't know, unless Facebook itself reported it – is how many users only access Facebook on their mobile phone, never visiting the desktop site. Evans estimates that number is high, but it's impossible to tell using ... What to do with your new BlackBerry Monthly Facebook Mobile Apps Users Are 300 Million Strong Facebook Access Soars Among Mobile App Users |