but i have been living with this for two years myself. >> jeffrey kluger, ladies and gentlemen. [applause] >> thank you for choosing a texas theme, too. as i started i thought, he's well-loved here. i think most of us are related to him, actually. [laughter] >> christian, would you -- i have a copy of your book. >> i will -- yes. i have never actually read from this book outloud, at least, so this will be a first for me, obviously. i'm -- the book generally is about i guess the more personal side of data rather than the marketing or the kind of nsa security. so i worked for a dating site of helped start a dating site so you see people doing ridiculous things, not as crazy as the former president, i guess. i wanted to tell some of that, at least through data. i'm going to try to find a passage that does that without any charts which none of you guys can see from there. so, i'll just dive in, i guess. that's how it goes. as for the data's authenticity much is in a sense fact check because the internet is part of everyday life. you give the site your gender and age and gives you a