Ebook: Viral loop: from Facebook to Twitter, how today's smartest businesses grow themselves

An insanely viral scheme -- Viral president -- Tupperware and ponzi schemes--the original viral models -- The first online viral expansion loop -- The spreadable product as new business paradigm -- The perpetual viral advertisement -- When the audience decides what's good -- Viral video as marketing strategy (Psst. Pass in on ...) -- eBay and the viral growth conundrum -- PayPal : the first stackable network -- Flickr, YouTube, MySpace -- Tweaking the viral coefficient -- Viral clusters -- The search for a new ad unit.;From Google to Facebook, the author delves into how a "viral loop," a situation where using a product means needing to share it with others, can make an online business a success.