We use it, it's fine. Although it gets some hate with the executives because we can't have more than four people on screen at any one time. I think they lament they can't have a panopticon of everybody at once? There's a blog post from Microsoft with a nebulous commitment to increase it to nine.
Honestly I don't care about seeing who's in the meeting beside who's speaking so four is plenty.
Honestly I don't care about seeing who's in the meeting beside who's speaking so four is plenty.