Cold reading is a pretty fun thing to do to people. A cousin of mine taught me how to do it one summer, and I spent a few months using it on my friends.
If you know the tricks, you can turn it around on them. Great fun at country fairs.
I'm doing it at the Festival this season, and am quite looking forward to it. I'm honing my skills on gullible co-workers, and earning quite a name for being far-seeing.