Some of the hints are fairly obvious, such as crossing your arms being a sign you're closed off. Also ignore inane suggestions, such as the one for men about wearing your ring to appear more attractive. But there are still interesting tips you might glean from the infographic, such as shifting position (if you're a woman) to find out if a guy is interested in you, as men tend to mirror women's body language when they're attracted to the woman.
Here's the full image (click to enlarge or right-click to save):
If you're more interested in body language for professional reasons, check out the body language to avoid when giving a presentation.
Using Body Language to Be More Attractive [Daily Infographic