This news interested me. How many cities in America are WiFi enabled so far? Is it possible to carry IP phone yet? What are the downside? Having IP phone means you must go to WiFi hotspot to make a VoIP call? Another question, do you have to pay for using hotspot? =============== Wi-Pie in the sky? Mar 9th 2006 From The Economist print edition WE WILL not stop until every San Franciscan has access to free wireless-internet service. It was a typically bold statement from Gavin Newsom, the charismatic young mayor of San Francisco, as he announced plans in October 2004 for a Wi-Fi network that would blanket the city with wireless-internet coverage. Mr Newsom thus joined a nationwide movement of cities across America that are planning to provide wireless-broadband access for government workers, residents and businesses.… ===========