Comcast (Nasdaq: CMCSA) found that the best way to expand the footprint of its Xfinity Wi-Fi network will be to use its subscribers' in-home WiFi gateways. The MSO announced its Wi-Fi ambitions, which will leverage Cisco's (Nasdaq: CSCO) new Home Gateways that can deliver speeds of up to 270 Mbps, before the start of The Cable Show today in Washington, D.C. Read more