I know this isn't a very satisfying answer, but the truth is it is highly dependent on the specifics of the product and market situation. All nineteen channels we examine in the book have been sustainable growth channels for companies, and one of our core theses is that the underutilized channels for a particular market space can often have the best returns. Unfortunately that means you need to test and that's what our Bullseye framework is all about -- how to approach finding the right traction channel for your particular situation.
