cortana ->three bars-> quiet hours -> disable... it helps to keep all calls mute during a period of time.if you are not intrested just disable it .it wont pop up again
Joe B called it the hamburger at Build (I think it was Joe anyway). I didn't know it was Google lingo, then again, I never have a reason to visit any Google forums.you got me there anyways.......... but yeah hamburger is google lingo in google forums and i hate google and hence the three bars.........or that ( hamburger)