Marketing is a combination of both art and science, dismiss the science though and the art becomes worthless!
By treating the money you spend on marketing as an investment, putting some math behind it so the figures add up, you can effectively create an unlimited marketing budget that can be reinvested in your business to allow it continually grow.
Without testing and measuring you will have nothing more than a gut feeling if your marketing activities are working, and therefore you may simply be pouring money down the drain.
In this video we discuss some of the numbers you need to measure and why you should focus your activities on both customer acquisition and retention.