Comcast is trying to wedge in on Google TV and TiVo as they plan to test their own set-top box.
It is known within the company as Xcalibur, it apparently combines a DVR with “a unified search across cable VOD and the internet, plus social media tie-ins, but does not include a full web browser”.
Content is going to be limited at best, but we shall see what comes up in the future here.
Source