Cheating on consumer surveys

Users with a single face, but multiple names.
“Tony Biskup” alias “Karl Svendsen” tells you how to cheat. Should you trust him.

Gamification makes motorists obey speed limit

The website The Fun Theory has held a competition (The Fun Thory Award) to promote design ideas that use gamification to “change people's behaviour to the better”. One of entries uses gamification to make Swedish motorists obey the speed limit.