Browser stats for HTML5 book site

Mark Pilgrim's HTML5 book site browser visitor statistics (http://twitter.com/diveintomark/statuses/12545884166):
45% Firefox
23% Safari
19% Chrome
6% IE

94% of web developers wanting to learn HTML5 do not use IE.

I'm honestly surprised that IE has that large a share of this particular sub-market.

no Opera? strange.

no Opera? strange.

Might be the other 7% not shown