http://www.u2.com/

http://www.u2.com/index/home/

http://en.wikipedia.org/wiki/U2

http://www.atu2.com/

http://www.myspace.com/u2

http://www.last.fm/music/U2

http://360.u2.com/

http://www.interference.com/

http://www.youtube.com/watch?v=_Ye8GLPUVsM

http://www.youtube.com/watch?v=JFWPeVfWB9o