http://www.joystiq.com/2011/10/05/servi ... #continuedQuote:
If you're looking to opt out of the class-action lawsuit prevention clauses inserted by certain companies like Electronic Arts for Origin and Sony for PSN, a new service is seeking to streamline the process. The trick about opting out is consumers must send something known as a physical letter and use a "stamp" (an antiquated method of payment, we understand, to facilitate this analog-mail). Because this letter-mailing artform has been lost to time, GamersOptOut.com will help.
http://www.gamersoptout.com/