A Quote coined by some social networking guru has got me hooked and thinking. My project http://www.beamto.us made me learn a lot of new tools and certainly made me more active on bunch of social networking channels. However, I almost never thought it this way. Every person who visits our site is a potential marketing tool. /* Strictly from a marketing standpoint */ Simplest definition of a viral loop is 'The steps a user goes through between entering the site to inviting the next set of new users'. There are many advantages of creating a strong viral loop : 1. Since like attracts like, the new users will almost certainly belong to the same demographics with similar preferences. Therefore, this is as targeted as one can get. 2. They increase visibility in organic searches. 3. So long the steps in the viral are rightly laid out, the results are compounded. However, if the process is not defined well, this may lead to HIGH attrition rate. The variation is absolutely huge. 4. They...