Someone filed a formal complaint to the EU because IE didn't support the web standard, in particular didn't pass the Acid2 test.

Drum roll please.... IE8 change num 149329 now renders the Acid2 face.

More info on the official announcement on IE blog: Internet Explorer 8 and Acid2: A Milestone

You can also watch a movie on Channel9: IE 8: On the Path to Web Standards Compliance - ACID 2 Test Pass Complete