7 of the most powerful persuasion techniques by expert Robert Cialdini (Video):
via youtube.com
Ever since studying negotiating in school I've been fascinated with it. I've posted about the subject a few times in the past: here's how to use the good cop/bad cop technique, a great method for getting a deal on a car, the optimal starting price for negotiations and auctions, and how to easily make more money on eBay.
Cialdini's seminal book is here. I also recommend his more recent release Yes!: 50 Scientifically Proven Ways to Be Persuasive.
Getting to Yes can teach you to be a good negotiator while still being a nice person. If you're less Jedi and more Sith, check out Jim Camp.
Posted by Eric Barker