There was a time when embarrassing talents were a purely private matter. If you could sing the Star Spangled Banner in the voice of Daffy Duck, no one but your friends and family would ever have to know. But with the Internet, humiliation - like everything else - has now gone public. Upload a video of yourself playing flute with your nose or dancing in your underwear and people from Toledo to Turkmenistan can watch. Here, then, is the cautionary tale of Gary Brolsma, 19, amateur videographer and guy from New Jersey, who made the grave mistake of placing on...