I happened to look at lot of business model during my work at early stage vc firm and in the course of working with many entrepreneurs. I couldn't stress more enough that the best business model is below. However I don't hear many people talking about the same. I liked what he said and re blogging here. Go and give a quick read you wont be disappointed.
Technical Revenue
Technical Revenue
I have plenty of opinions about business models, but to me, the best business model is one that makes your customer money.