The majority of people use a box, but it's expensive. Xfinity charges roughly $10 per month ($120 a year) to rent a TV box. Depending on the system, you might also have a nearly-$10 HD technology ...

Comcast, for now, will continue to use its X1 digital cable box, but news site CT Insider reports the company is adding more cable channels to its Xfinity Stream app that runs on the Xumo device.