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== Membership requirements/restrictions ==
Membership is free and is offered to individuals residing at addresses served by the [[United States Postal Service]], including APO and FPO ([[military mail]]) addresses. Commercial enterprises are prohibited from membership. Membership is restricted to adults 18 years of age or older. Membership restrictions are covered in the site privacy statement.
== Operation ==
Content is available under CC BY-SA 3.0
unless otherwise noted.