I wrote a blog post outlining why I don''t use ActiveSupport::Concern. It is intended to be more informational about what I''ve seen around it. Love to hear any feedback. http://programmingtour.blogspot.com/2012/12/why-i-dont-use-activesupportconcern.html -- You received this message because you are subscribed to the Google Groups "Ruby on Rails: Talk" group. To post to this group, send email to rubyonrails-talk-/JYPxA39Uh5TLH3MbocFF+G/Ez6ZCGd0@public.gmane.org To unsubscribe from this group, send email to rubyonrails-talk+unsubscribe-/JYPxA39Uh5TLH3MbocFF+G/Ez6ZCGd0@public.gmane.org To view this discussion on the web visit https://groups.google.com/d/msg/rubyonrails-talk/-/c4RFKw7PExQJ. For more options, visit https://groups.google.com/groups/opt_out.