Use GPS Wisely

I always thought this XKCD comic about irresponsible use of GPS was hilarious. People going everywhere with their cellphones, unaware what the technology is really capable of:


But today I read about someone who lost their job due to GPS. Sure, they were also falsifying work hours, but they didn't realize that their government-given cellphone was keeping tabs on where they were while they said they were working. I wonder if this guy was at a sex shop, too?