Slapped by Google Adsense, then CPX and now YPN

Just got this email from YPN…

Code:
Thank you for applying to the Yahoo! Publisher Network beta program. We have reviewed your request and we regret to inform you that you were not accepted into the program. Yahoo! Publisher Network is currently in beta and we are accepting a very limited number of new publishers. We will let you know when we launch to the general public or if we are able to invite you to join the beta before then.
To maximize your chances for approval in the future, please make sure: 
? You have a valid U.S. Social Security or Tax ID number, and web site content that is predominately in English and targeted at a U.S. user base. 
? Your site provides a good user experience. Please see our complete list of guidelines for a positive user experience here:
https://publisher.yahoo.com/legal/prog_policy.php.

? Your site does not contain problematic content. Please […]

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