I had considered doing a satire on using astrology to do fund management. Something along the lines of Capgemini is a Pisces, perhaps. Reality seems to have beat me to the punch:
http://www.thedeal.com/video/inside-the-deal/wall-streets-psychic.php
Another story idea up in flames.
In one of his software engineering books, Tom DeMarco invents “Astro Pony Toutshops” for a case study. Their prediction process requires no inputs.