On a conference call discussing yesterday's earnings with the media and investors, Comcast said that while they offer 25 to 30 linear HD channels in a typical system now, they expect to push that to 50 to 60 by year's end. The company currently offers switched digital video (which frees up network bandwidth by storing unwatched channels at the edge router) in Denver, Colorado and Cherry Hill, NJ. According to Comcast, their goal is to deploy SDV to about 15% of their systems by the end of the year.

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