What is the clumsiest city in America?

According to data gathered by Gazelle.com, Houston is the clumsiest city in the country. To determine the winner (or loser, depending on your point of view), Gazelle accrued data from phones that have been dropped and the screens cracked. The company offers cash for pre-owned iPhones. Other cities included in the top 10 are Atlanta, Dallas, Chicago and San Francisco.