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Comcast Introduces XClass TV: Extending The Company's Global Technology Platform to Smart TVs Nationwide
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Comcast on Twitter: "Comcast today announced the launch of Xfinity Flex, a new service available to all Xfinity Internet customers across the country starting next week, packaged with an Internet-connected, 4K HDR
Xfinity Flex review | Tom's Guide
Comcast Introduces New 4K Streaming Device XiOne | TV Tech
Comcast To Bring 4K Service To Set-top Box – HD Guru