If you're not already familiar with him, there's a great professor at Harvard Law School, Ashish Nanda, who writes about exactly that - the choices service prov

If you're not already familiar with him, there's a great professor at Harvard Law School, Ashish Nanda, who writes about exactly that - the choices service providers have to make as to where on the value chain they sit: http://www.law.harvard.edu/faculty/directory/index.html?id=707 http://www.law.harvard.edu/faculty/directory/index.html?id=7... Very smart guy - I think he was top of his class at IIT.