In my experience the fastest way to acquire users, other than paid search, is via an affiliate program. I have launched 7 programs for e-commerce properties in

In my experience the fastest way to acquire users, other than paid search, is via an affiliate program. I have launched 7 programs for e-commerce properties in the last 3 years and the average first months traffic to a brand new site has been 20,000 unique visitors in the first month. Traffic growth has always excellerated from month to month as we acquired new affiliates to participate in the program.