whole billy joel and since were bragging about me in which i like, i've also set in twice with winston marsalis. both apparently have lost my cell phone number. [laughter] because, and when i saw mr. marsalis recently, i said, as people my age do, call, you don't write, i don't hear from you anymore. and i was going to be a studio musician growing up in l.a. and it turned out much to my disappointment and chagrin that everybody in l.a. was a better musician than i was. i still do it as an application. -- avocation. i do it to the to i enjoyed a lot of taking the video course which is very instructive. and playing a little tiny bit as you were talking about of classical music slowly to i will make it very hard for you ever did what that sounds like. >> it's on youtube. [applause] >> more from the recent washington ideas for him. an interview with paypal cofounder. mrs. 20 minutes. >> thank you, peter, for joining us. we will move briskly and we have a lot of ground to cover. let me put it to you directly. you have created controversy with your claim that innovation is slowing down. is this an as