po pokemon go. >> listen to this. >> the challenge of fake news and authenticity. we see tech execs dealing with it right now, and outlets being used by russian troll farms to influence politics. what do you see happening? >> it's a dangerous moment. it's a moment when we are realizing we can't just leave it all to al kagorithms. what is good for this country's bottom line is not good for democracy. the algorithms will feed you content that confirms your biases. what they are designed to achieve, they are designed to get you to click. you are going to be more likely