Someone at the Securities and Exchange Commission is a Monty Python fan and is tired of getting spam promoting questionable companies.
Press Release: SEC Suspends Trading of 35 Companies Touted in Spam Email Campaigns; 2007-34; March 8, 2007
From the trading activity described in the press release it looks like the spam campaigns really work. APPM went from $.06 with a trading volume of 3,500 shares in two days of spam to $0.19 with a volume of 484,569 shares.
A little late by the SEC, USA Today was warning the masses about this many months ago.