I think we agree, but prototypes and demos are not the same thing. A wireframe can be a prototype, with buttons linking from one page to another to demonstrate

I think we agree, but prototypes and demos are not the same thing. A wireframe can be a prototype, with buttons linking from one page to another to demonstrate workflow, a prototype would be built to a near-finished specification and close to an alpha/beta. I feel like I'm being a pedantic a-hole in this thread, but the terminology of UX/IxD and the process seems like one of the more misunderstood aspects of building software and as a lot of developers (in my experience) want to either dismiss the process as unnecessary (they don't need to be told what to do) or they want to take on the process themselves (experienced coder, of course I can analyse and plan a user interface). I'll stop now before I start ranting.