Good point. There's some good discussion in the Rails community about ports-and-adapters architecture around that theme. Matt Wynne gave a talk at goruco this p

Good point. There's some good discussion in the Rails community about ports-and-adapters architecture around that theme. Matt Wynne gave a talk at goruco this past year on the subject that's worth checking out: http://www.confreaks.com/videos/977-goruco2012-hexagonal-rails http://www.confreaks.com/videos/977-goruco2012-hexagonal-rai...