merge if this is a repost or has been discussed on.

part 1
http://www.youtube.com/watch?v=f7pATfb7Qeg&feature=related
part 2
http://www.youtube.com/watch?v=SVceF56k348&feature=related
part 3
http://www.youtube.com/watch?v=7Mo3NuEMC-0&feature=related