This is the core of a Product-Led Growth strategy. This strategy can work exceptionally well for some enterprise products, but it requires a low bar for adoption of and easy trial, a seamless user journey from awareness to adoption, and then very strong support to help those grass-roots users go from adoption to evangelism, which is where the biggest effects come in. For more details on this, the Openview Partners article is a solid look at how they define PLG - which is one we have been following in our efforts at Akamai: https://openviewpartners.com/blog/what-is-product-led-growth#.YFTMAy2cZTY