With very little fanfare, Apple has slipped video capabilities into iTunes. You can already view movie trailers and music videos within the iTunes framework, but I was surprised to find one of the podcasts I regularly download had a video attached to it, which iTunes played in the 'album art" section on the lower right corner.
Apple never does anything like this "just because," and I suspect they're building up to making iTunes into the gateway for buying video content, just like how the iTunes Music Store is now the defacto way to buy digital music. It wouldn't surprise me if, a year from now, you could buy a movie from Apple and watch it on some "iHome" console. These video noodlings in iTunes are just the groundwork.
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