If theres one company that has harnessed the complete power of viral marketing it would have to be Old Spice. They have introduced a revolutionary marketing method which has made it's viral campaigns one of the most viewed and successful ones in the history of social media marketing. Following up with the success of their TV ad featuring Isaiah Mustafa they launched a marketing campaign with him via twitter & youtube whereby Isaiah was seen answering to his twitter messages via youtube videos. The ads were fun, catchy and with a but of celeb involvement has attracted millions of views and reports say has doubled their revenue. Below are some links whereby you can read through their unique approach