There was a time, a decade or so ago, when many people thought it would be a long while before telecommunications networks could handle the migration from cable TV to over-the-top video streaming. Clearly a lot of Americans still do both, but it is striking how easy it has become to stream HD content on multiple screens at home at once. Rob talks about what happens behind the scenes to make this possible with Robert Rockell, vice president of network infrastructure at Comcast.
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