This is a summary of the five business models presented in Business Model Generation.
These models are: Un-bundled, long tail, multi-sided, free and open.
Have also included a quick intro to Treacy and Wiersema from their 1993 HBR article.
Reference: Osterwalder, A. & Pigneur, Y., 2010. Business Model Generation. Hoboken, N.J: John Wiley & Sons.