Albert, I must assume this was targeted at my comment to ask for an enumeration of businesses enjoying the model espoused. "Do your own homework" is fine if the

Albert, I must assume this was targeted at my comment to ask for an enumeration of businesses enjoying the model espoused. "Do your own homework" is fine if the objective is clear; it wasnt (to me at least) and I wasnt sure where to start. Thank you to the OP for adding that list!