After reversing their stance on BitTorrent, Comcast has announced plans to offer their 50Mb/sec broadband in all existing markets by 2010. What would people use the extra bandwidth for? Digital distribution of movies and music seems a likely candidate and BitTorrent seems like it is going to be a key player in that arena.  So how fast is a 50Mb/sec connection in terms of downloading movies?  Fast enough:“With the faster service, a customer could download a 4 gigabyte high-definition movie in about 10 minutes,