Competitive Advantage

http://www.youtube.com/watch?v=mP_dTq0pAG0&feature=related

Mary queen of shops - http://www.bbc.co.uk/programmes/p008pv8j

http://www.bnet.com/videos/facebooks-competitive-advantage/440340

http://www.youtube.com/watch?v=OKCzYZnkYIU&feature=related

Reputation : http://www.youtube.com/watch?v=uqfxmWbelcQ&p=6BCB2C3C10C21138&playnext=1&index=17

Mr Plow http://www.youtube.com/watch?v=cUMFfm2NkrU&feature=related

http://www.youtube.com/watch?v=fojWsv3AzmA&feature=related