Although primarily a postcard dealers organization, the purpose is to encourage professionalism, increase confidence, strengthen ethics as well as advance and promote the postcard hobby worldwide.
Anonymously contribute your secrets on a 4x6 inch postcard. Some postcards are art some are just brutally honest. The site lists local events and has created a book.
Provides businesses and individuals with "the best tips, secrets, and advice for postcard marketing and purchasing." Partnered with PrintsMadeEasy.com.