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PHILADELPHIA—Comcast has announced what it believes is the first-ever end-to-end deployment of advanced “hollowcore” fiber optics in the world by an Internet provider. Hollycore fiber is able to ...

Comcast has successfully tested a prototype 10G modem that can deliver multigigabit internet speeds. The company is promising upload and download speeds north of 4Gbps (gigabits per second). That’s ...

Comcast announced this week that it successfully tested a next-generation modem in Philadelphia that promises to bring ultra-fast gigabit internet to customers in the near future without a major ...

Comcast subscribers do not have much to brag about in the way of customer service—the ISP was voted Worst Company in America by Consumerist readers in 2010 and 2014—but when it comes to download ...

As streaming video continues to chip away at cable TV subscriber numbers, Comcast is making some of its Internet speed increases available only to customers that pay for both Internet and video ...

A Comcast customer who is dissatisfied with Internet speeds set up a Raspberry Pi to automatically tweet at Comcast each time speeds are much lower than advertised. “I pay for 150Mbps down and 10Mbps ...