This sprawling infographic has more data in its 600 x 3,500 pixels than you can shake a stick at. It's practically an infonovel. Featuring the key dates in the life of the social media beast, you can track how every innovation, tweak and failure changed the course of online interaction. Brands have profited and been taken to the brink by the nuances of digital fate described below.
Courtesy of Useful Social Media