What the wizards at the various casinos have figured out how to do is wire up the slot machines so that they’re constantly playing with your need to feel lucky.
The slots don’t work the way they used to. First of all, the slot machine knows who you are, and what your history is. They’ve given you this card that promises all sorts of bonuses and prizes, but really it’s designed to allow the slot machine to play you like a violin.Seth Godin – Akimbo – Games Matter
Data can be a powerful tool. Don’t use it like that.