Interesting graphic. It shows us what is popular, and where. An interesting question to ponder is "why is one system more popular than another?" You'll also notice several states preferring one type are clustered together, and some others are one state only. Interesting...

A report from mobile advertising firm Jumptap has been compiled into a handy map that shows which US states trend toward Android or iOS usage. By measuring ad click stats from the 83 million users on its network, Jumptap determined the areas of the country where more ads were being clicked on Android versus iOS versus BlackBerry.

via US map shows which states trend toward iOS versus Android | TUAW - The Unofficial Apple Weblog.