Then, if you fail to return the modem when you cancel your service ... annoying pop-ups without spending money. Oh, and for good measure, Comcast will inject these pop-ups into mobile browsers ...

Comcast Xfinity on Monday announced a new modem-router, called the xFi Advanced Gateway, which supports Wi-Fi 6E, the latest generation of Wi-Fi that can take advantage of the 6GHz spectrum band.