Participants of the program must have a valid U.S. Social Security or Tax ID number, and PDF content that is in English and targeted at a U.S. user base. They will contact you about your eligibility to participate and about availability of the program. You can apply for Beta 2 program from here. http://advision.webevents.yahoo.com/scp/viewer/index.php?client_id=1173&event_id=18671