
** FILE ** This image made on Jan. 12, 2012, from an undated video posted on the Internet by a YouTube user self-identified as "semperfiLoneVoice" shows men in U.S. Marine combat gear, standing in a semicircle over three bodies. U.S. Defense Secretary Leon E. Panetta branded as "utterly despicable" the video purporting to show four U.S. Marines urinating on the corpses of Taliban fighters. (Associated Press)

The go-go band TCB has been banned from local venues because of the violence-prone crowds that attends its shows. They played at Fur last week and a patron was stabbed. (YouTube)

In an advertisement released online by PepsiCo., a woman must identify an assailant from a row of black men and a goat. PepsiCo pulled the ad after complaints that it was racially insensitive. (Image: YouTube)

In an advertisement originally released online by PepsiCo, a woman must identify an assailant from a row of black men and a goat. PepsiCo pulled the ad after complaints that it was racially insensitive. (Image: YouTube)

A Lamborghini Miura SV, one of only 764 models in the world, burns in London on April 09, 2013. (YouTube)

A Lamborghini Miura SV, one of only 764 models in the world, burns in London on April 09, 2013. (YouTube)

** FILE ** The video-sharing site YouTube is a growing digital environment where professional journalism mingles with citizen content. (Google Inc. via Associated Press)

** FILE ** This image made on Jan. 12, 2012, from an undated video posted on the Internet by a YouTube user self-identified as "semperfiLoneVoice" shows men in U.S. Marine combat gear, standing in a semicircle over three bodies. U.S. Defense Secretary Leon E. Panetta branded as "utterly despicable" the video purporting to show four U.S. Marines urinating on the corpses of Taliban fighters. (Associated Press)

Associated Press photographs “Gangnam Style” Korean pop star Psy (left) became a YouTube sensation, then got into hot water over controversial lyrics he rapped in 2004. The Mars rover takes a photo on the planet (top). Cyclist Lance Armstrong (above) was barred from the sport and lost his Tour de France titles after a doping controversy.