Couldn't agree more. I'd extend that a bit to say that it's often the implementation in the context of actual users that's most key. So many core ideas are relatively obvious, but implementing in ways that provide real value to users in a way that is simple and intuitive for them to utilize is often orders of magnitude more complex to achieve.

FWIW, we've shared the basis of our core prioritization capabilities from pretty much day one:
http://www.clearcontext.com/resources/attachments...