Have you received an email notifying you of a settlement by Yahoo! with Checkmate? "A proposed Settlement has been reached in a class action proceeding alleging that Yahoo! breached its contracts with Class Persons and committed unfair business practices by improperly collecting revenue by charging and/or overcharging Class Persons for certain types of clicks." You have up until October 14, 2006 to say you want out of this class action lawsuit, and you have until November 20, 2006 to submit your claim.
More details and instruction at http://www.checkmatesettlement.com/.