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I was able to get the WWDC videos to play on my Apple TV by converting the .m4v files to .mp4 using VisualHub. Doesn't look like a DRM issue after all.

Wait, what? I thought M4V and MP4 are used to describe the same file format. By "converting" it, you just stripped the DRM off. Am I wrong?
 
The WWDC 2009 session videos don't play on my apple TV either. In itunes I tried right-clicking on one of the videos and selecting 'Create Apple TV Version' but itunes tells me "One or more movies were not converted because they are already in the correct format".

What I had to do to is right click on the movie in itunes and then select 'Reveal in finder'. Then, from the finder, I open the movie in Quicktime 7 and I use the export feature to export it as an apple TV movie.

I tried phoning apple about this but they were not able to help. The people I spoke to couldn't explain why it wouldn't work.
 
So I'd like to ask a simple, but important question...

Are they worth the money? Let's say (hypothetically of course) that I'm an intermediate Cocoa / iPhone developer. Would these sessions be useful?
 
looks like apple finally fixed this issue with the WWDC 2009 videos not playing on apple tv. I recently re-downloaded some of the movies and those ones play just fine on my apple TV.
 
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