I bother with the keyboard lock to stop people grabbing my phone and tweeting "HA HA I SUCK BALLS!" before I notice what they're doing. It works really well fo

I bother with the keyboard lock to stop people grabbing my phone and tweeting "HA HA I SUCK BALLS!" before I notice what they're doing. It works really well for this purpose, but I wouldn't trust it to do much more.