Similar to the "How to trade the fractional reserve system" thread, you want to work at one of the dating websites in the database department. There you have complete access to photographs, emails, correspondences, phone numbers, addresses, and everything else you might need. This is for those who know SQL (pretty easy to learn if you're motivated). Do a select on all the hotties, figure out what works and what don't. You'll get some good insights on psychology. Don't forget about timing. Girls are pretty predictable and operate on herd psychology. If you're really good, you can sell the above info to rich guys and girls. A bit tougher to get into, but a database person in the porn industry... well that is a plethora of easy availability.