Knock Knock feature is probably the worst feature i can think of to put in a vid...

		decayy on Aug 16, 2016 \| parent \| context \| favorite \| on: Google Duo, a simple 1-to-1 video calling app Knock Knock feature is probably the worst feature i can think of to put in a video calling app. It sounds so fun rejecting a loved ones call because you're busy.