Most unwired cities: Seattle, San Francisco

Intel ranked US cities by the number of commercial and free Wi-Fi hotspots. Seattle and San Francisco are America's most unwired cities, followed by Austin, Texas; Portland; Toledo, Ohio; Atlanta; Denver; the Research Triangle area of North Carolina; Minneapolis; and Orange County. Low-ranking regions included Jersey City, N.J.; Fort Wayne, Ind.; Allentown, Pa.; Youngstown, Ohio; Bakersfield, Calif.; and McAllen, Texas.