feels pure and healthy. [ female announcer ] from neutrogena® naturals. >>> jeopardy jam champion ken jenningsion when he won 70 games in a row. this past february he went on the show again against ibm's machine watson. although jennings lost, he's landed on his feet with the publication of a new book called "maphead." he is a nerd but a neat one, and i spoke to him earlier. i know you talk about how you slept with your atlas under your pillow. i brought mine. my mother still has it. i saved my money, first thing i bought with my bake sale money was an atlas. so i know how you feel. you write about that, running home to your atlas after school and how special that was for you. i wanted to ask you two things about technology because i've got in this literally my maps from when i was a kid. a physical piece of paper. >> with crayon coloring on it. >> with crayon coloring and lots of inaccuracies which i won't put up for the camera. what do you think about the gps? is gps killing us? we type in go to the mcdonald's around the corner rather than knowing where to go even in our own town. >> i have