Facebook mobile appears to be down on iOS. The app briefly opens up, attempts to load for a second, and then completely closes. This comes in the wake of new like and share buttons, and also among strange errors caused on the desktop version of facebook.
Facebook updated its app recently which is likely the source of the crash. It appears the problem spans iPhone 5, and likely all iPhones on the iOS 7 operating system.
One twitter user called the automatically crashing update a huge upgrade:
— Jeffrey (@steintrek) November 8, 2013