In a recent article, I reviewed the very sophisticated adult film "An Open Invitiation" which is a love story of one couple's journey into swinging, in San Francisco. 

Links for this podcast include:

• Open Source Sex episode 20 where I tell you exactly how to have a threesome.

• Open Source Sex episode 43 which is a reading of explicit erotic threesome story "Cast of Three"

• My review of "An Open Invitiation" (with exclusive, explicit gallery and trailer) -- link NSFW.

• The webiste for "An Open Invitiation" -- link for adults only.

• Our Porn, Ourselves -- a non-sexual website for women who watch porn.

• Website for sex educator Thomas Roche, also quoted in this episode.

• In Scientific American, Jesse Bering's Polyamory chic, gay jealousy and the evolution of a broken heart

• Tristan Taormino's book Opening Up and my book on Sexual Fantasy for Couples.