Comcast has a brand new feature for its Internet subscribers called Xfinity Wi-Fi, but it’s going about it the wrong way, likely making even more enemies in the process. SeattlePi reports that Comcast is turning some of the Wi-Fi routers placed in the homes of subscribers into a “massive public Wi-Fi hotspot network,” but it’s doing so without giving customers the opportunity to opt out before the service is rolled out. In theory, Xfinity Wi-Fi sounds like a neat idea, as it can provide free Internet access to other Xfinity subscribers as long as they’re within reach of such an Xfinity Wi-Fi hotspot. Moreover, the extra load on the router does not affect the bandwidth of the customer who houses it, as