Same size screen as my cell phone - check

worse battery life than my cell phone - check

less memory capacity than my cell phone - check

crappier interface than my cell phone - check

fewer features than my cell phone - check

Sooo, why not just use my cell phone, that I carry around all day anyway, when I want to listen to music or watch videos in teeny weeny size? My cell phone even has bluetooth stereo.

Oh, there is one more feature. It makes calls.