girls who say they were sexually assaulted and then humiliated by images that were circulating online. so the internet for them was part of the problem and then people who were activists on the internet wanted to also use social media to try to help these girls. >> give us an example. have they been able to make a difference? >> they have. there is a case of a girl in nova scotia who very sadly committed suicide after she alleged sexual assault and these compromising photos and the police took a year, investigated, said they weren't going to bring any charges. then, some activists started really picking up a fuss online from the hacker group anonymous and new evidence surfaced in the case and the police and prosecutors changed their mind and eventually brought charges against two boys. >> so run through -- i mean, what is interesting is while these groups have gained some