Rachael King from Business Week writes about Where's Tim:
Meet Tim Hibbard. It's 11:45 p.m. on a Wednesday night and Hibbard is currently near the intersection of Jacob and Ranch Streets in Lawrence, Kan. It's a cool 50 degrees outside. He's not moving around now, but he's traveled a total of 28.42 miles today. And no, I'm not stalking him.
Very cool. She also talked with John Musser of ProgrammableWeb (THE place for web API's). He talks about the article on his blog.