What is DCI and how can it fit with Rails?

Question

A recent debate with a co-worker about different approaches to design and code the models in a Rails application brought me across DCI in the context of Rails.

However,

Answer 1

There's a book (currently in progress) on using DCI in Ruby/Rails: Clean Ruby. I highly suggest putting yourself on the notification list - I've read parts of this book and it looks really good.

DCI is gaining acceptance in the Rails world - there's been a number of interesting blog posts about it over the last 3 months or so.