Last year, the D: All Things Digital conference delivered a historic joint appearance between Steve Jobs and Bill Gates. This year it delivered the first serious look at Windows 7.

On Tuesday, in a joint keynote conversation at D6, Bill Gates and Steve Ballmer provided the audience with a preview of Windows 7, including new multitouch features that will be built into the operating system. Although Microsoft talked about a few other features in Windows 7, multitouch stole the show.

“It’s much faster to do certain tasks than using a mouse,” said Microsoft Corporate Vice President Julie Larson-Green, who demonstrated Microsoft’s multitouch technology at D6.

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