Most of the time, I find facebook somewhat obnoxious. Especially the millions of applications that share pointless information about games people are playing. But it has is purposes. My favorite: stalking people that I would never have to "keep up" with "in person". Second favorite: when a friend, an actual live friend, shares something that makes me laugh out loud. Try it.
1. Go to maps.google.com
2. Go to "Get Directions."
3. Type Japan as the start location.
4. Type China as the end location.
5. Go to direction #43.
6. Laugh in amazement.