The best internet marketers and businesses know that the single most important activity they can engage in is building leads. This is the difference between success and failure and it’s truer in today’s world of online business than it perhaps ever has been.

So just what exactly is a lead? Why does it matter so much? And how do you go about building one? Put simply, a lead is someone who might become a customer. A lead is someone who has had some kind of contact with your business and some sort of interest in your brand.