John Mayer dissed former girlfriend Taylor Swift, calling her songwriting in kiss-and-tell track "Dear John" "cheap."

Ranked 11th on Details magazine's annual list of "The Power 40" (November 2008).

Ticketed by police on June 3, 2008 in West Hollywood for driving with expired tags and no license plate.

Included in Time magazine's annual list of 100 Most Influential in May 2007.