7 For '07: Julia Boorstin, Media & Entertainment

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Affordable home entertainment, the high-definition TV format battle, the future of big-budget films and the changing face of user-generated Internet content are some of the big questions for the media and entertainment sector in the coming year, according to CNBC’s Julia Boorstin.

In our continuing series of reports on key sectors of the economy, you’ll find out what’s in store for movie theatres, TV networks, Hollywood studios and your mobile phone in 2007.

And for more behind-the-scenes media-business drama, be sure to check out Julia's blog.