The iPod Nano (trademarked, marketed, and stylized as iPod nano) is a digital media player designed and marketed by Apple. The first generation of the iPod Nano was introduced in the end of 2005 as a replacement for the iPod Mini. It uses flash memory for storage. The iPod Nano has gone through six models, or generations, since its introduction. The current "sixth generation" iPod Nano supports FM radio, a pedometer, and a square 240x240 display with a multitouch interface. Supported audio formats *AAC (16 to 320 kbps) *Protected AAC (from the iTunes Store) *MP3 (16 to 320 Ki...