What could possibly...
...go wrong with a system that uses gestures to turn on live streaming?
To control its hand-cams, Facebook engineers propose using gestures and movement patterns – a waving motion for camera activation or deactivation, a flicking motion to start recording, a wrist articulation to stop it, and a wrist rotation to broadcast live.
I wouldn't want to be the QA people tasked with testing the uncommanded start protections. And it'd only take a few "whoops, I just wanted to crack one out, but I've accidentally broadcast my cock to the world" incidents to sink this silly idea forever.