Gary Poster, with essential assists from Galyn Norwood, Phiroon Phihakendr, Jose Quijada, Pavandeep Kalra. You can receive a free newsletter by e-mail.
Many firms are, but some are running illegal pyramid schemes.
Your dentist's office. Your neighbor's daughter's wedding. If you're thinking about trying it, you have plenty of company. 2001 Time Inc. All rights reserved. Reproduction in whole or in part without permission is prohibited.