Avidly Seeking Wireless Clues From Google - New York Times

This move into free WiFi by Google, if true, would be a major thrust into the heart of a fledgling industry. But WiFi hotspots with today's technology are too small and scattered for ubiquitous access. I think a cellular broadband infrastructure makes more sense, even with a charge for the service. Could Google be planning on a different wireless technology beyond 802.11a,b,g,n??