Explain E-Commerce Business Models

At the next highest level, there are e-business models for activities defined by the nature of participants in the primary value relationship, such as business to consumer, or B2C.

1-What other types exist at this level and what are some examples of them in terms of Internet Web sites or other Internet applications that primarily employ that model?

2-For example, can you think of any Web site examples of B2B, C2C, and C2B?

3-Can you provide examples of Web sites that demonstrate an integration of these models, such as B2C and B2B?

In reply to this post, share any examples of Web sites with e-business models that you think are primarily B2C, B2B, C2C, and C2B Also, briefly explain why you think that is the primary model (i.e., what information on the Web site gives you that impression).