Today in 1983, the wireless industry was born when the head of Ameritech Mobile Communications placed the first commercial cellphone call from Chicago (home of the first city-wide cellular network) to Alexander Graham Bell’s grandson in Germany. Today industry revenues in the U.S. are over $155 billion and wireless penetration (%f total U.S. population) is 93%. In June 2010, 24.5% of U.S. households were wireless-only.