the keycial media hold to making mobile payments more secure?poke with paypal vice president who recently joined pay.oard of what we i began by asking why? >> i am passionate about innovation. innovation comes from the small guy. if you think of square, paypal. even the early days of the web. innovation in payments on the internet come from small guys. they push the limits. we pay is looking around the corner. they're looking at the next part of e-commerce. >> they basically use facebook to authorize payments. that sounds interesting. i wonder if you have a hard time convincing customers that this is the best way to verify if someone isn't fraudulent. >> we are not just facing -- focusing on facebook. payment has been about risk and technology. sauces usually the secret , even when you go back to when the set started. it was a technology company. building great risk systems for today's problems has always been a recipe that works eared paypal did it. using social signals just makes sense. you can look at your facebook profile and tell a lot more