Say what you will about the tidal wave that is social media: it’s over-hyped, a fad halfway through its 15 minutes, that surely won’t be around in a few years’ time. But take a look below at the steep curve of the user growth rate in all age ranges and demographics, and the continuing pervasiveness of social networking into every facet of work, play and life in general. It’s hard to argue that social media hasn’t changed forever how we interact and connect online.