The document contains links to 7 YouTube videos but no other context or information. As such, it is not possible to provide an accurate high-level summary in 3 sentences or less since the content of the videos is unknown.

1. http://www.youtube.com/watch?v=Hp_GQx-qmYo
http://www.youtube.com/watch?v=lck7CkwsDTM
http://www.youtube.com/watch?v=LsCIxrFrhc0
http://www.youtube.com/watch?v=KUZrdCHVxss
http://www.youtube.com/watch?v=SrLHFi2rZjg
http://www.youtube.com/watch?v=w0cu91fPzDM
http://www.youtube.com/watch?v=Ao3V0t7uKYc&lis
t=PL18D60DDA645BFBB1