The shocking death of a college freshman in the United States has cast a spotlight on new and vicious forms of harassment which harness the invasive and omnipresent reach of the Internet. Eighteen-year-old Tyler Clementi leapt to his death from a New York bridge last week after his sex encounter with another man was broadcast over the Internet, allegedly by fellow students. Sophisticated technology, social networking sites and a culture of tell-all disclosure have combined to fuel a new level of cyberbullying -- often targeting homosexual youngsters.  Duration: 01:58.