magic

You may remember him from when he dazzled Matt Lauer and Savannah Guthrie on the Today Show, pilfering all manner of goods from them while using nothing but misdirection and sleight-of-hand. Now he has a TED talk, where he reveals one of the strongest tricks he has in his arsenal: natural human psychology.

The rest are easily searchable... http://artoftrolling.memebase.com/2011/02/17/chatroulette-trolling-chatroulette-magic-tricks-volume-3/