[12:27] <ShawnR> youtube supports HTML5 for most videos, so it is most likely resorting to HTML5.  Firefox, I've had an issue with that half-sized full screen issue (in Chrome, it works fine.  Chrome has their own built-in flash plugin)
[12:27] <ShawnR> and.... he already left
[12:27] <ShawnR> i should check the guest list before I start typing