Missing

A popular database engineer went sailing last Sunday afternoon around San Francisco and hasn't been seen or heard from since. His friends and colleagues have launched a satellite feed and are recruiting anyone with a spare moment to take a look at images with the hope of spotting him. They aren't as high res as one might hope but it's worth a shot. If you have a moment, lend an eye here:
http://skydev.pha.jhu.edu/szalay/tenacious/tiles/