That's a great question but there is a question that is more important. 

What are the behaviors that impact your ability to be seen and to be heard in order to drive in an opportunity.

From there you can truly measure your cost of acquisition and invest in telling your story, in the right place, at the right time and in the right way. But then there is sooo much more to get someone from an inquiry, to a trial, to an adopted client, to a raving fan...

This video breaks it down for you on some work I am doing with a client.