Some time ago I described a script you could use to see who’s using your laptop when you’re not around. I sadly (?) didn’t catch any robbers using it, but the whole setup already took nearly 4000 photos, some of which might be a little interesting:
I’ve got a series or two of one person sitting in front of the computer for quite some time and I could use it to create a timelapse similar to those I made using my crude blackberry app, but on the other hand maybe I shouldn’t be picking on my friends…