. >> my name's ruth shapiro, and right before i came here, i was watching the town hall with president obama about guns. and there seemed to be, in the audience, quite a few people who were very much galvanized by what i believe is completely untrue information about guns. so i think the underbelly, or the dark side of proliferation of information, is the proliferation of untrue and destructive information with isis recruitment being obviously way, you know, a worst case example of this.5 so i wonder if you can just discuss the fact that there's a lot of untrue destructive information out there, which people are organizing around and how do you deal with that. >> sure. [ applause ] >> i can take that. there are upsides and pros and cons to all things, right? and the dramatic proliferation of information has done great things for the world. but there are people who can use it in nefarious ways, isis being the most obvious example. there has been evil in the world before there was social media. there was prejudice before it. social media really allows people to express opinions they othe