I'm no fan of Youtube but...not being able to increase the playback speed is highly sought after when I watch videos on any sites (like the OP on att.com). Here is YT's version of the same video [1].
Edit: I removed the link because the pixelation was unbearable.
[1] - removed
There are addons for Chrome / Firefox [0] that map keyboard shortcuts to playback speed control over any HTML5 video. It works amazingly well.