In large-ish meetings (3+ attendees), I usually turn off my camera (and mute my mic) when I'm not the one talking. For less formal meetings I might relax this.

In large-ish meetings (3+ attendees), I usually turn off my camera (and mute my mic) when I'm not the one talking. For less formal meetings I might relax this. But, in general, I've found that keeping cameras and mics on at all times usually derail meetings.