Comcast’s Xfinity today announced the launch of RealTime4K, a new ultra-low latency technology that, it says, gives customers the fastest, most lifelike experience for viewing live sports in 4K. This ...

Comcast is making a push into gaming by partnering with Amazon to bring that company’s gaming platform Luna to its X1 set-top boxes and Xumo Stream Box, the companies told The Desk on Thursday.