The Association of Professional Genealogists, established in 1979, represents more than 2,700 genealogists, librarians, writers, editors, historians, instructors, booksellers, publishers, and others involved in genealogy-related businesses. APG encourages genealogical excellence, ethical practice, mentoring and education. The organization also supports the preservation and accessibility of records useful to the fields of genealogy and history. Its members represent all fifty states, Canada, and forty other countries. APG is active on LinkedIn, Twitter (www.twitter.com/apggenealogy) and Facebook (www.facebook.com/AssociationofProfessionalGenealogists).