Digital technologies have had a profound effect on how we communicate and collaborate with each other. In the first stage of the internet’s existence, email reduced the time it took to communicate and enabled us to do so with virtually anyone, wherever in the world they were. The second stage of online communication gave us powerful new tools for collaborating and working together. Many of these technologies have been around for a long time. But although the technology on which Wikipedia is based goes back to 1993, it wasn’t until 2001, when Jimmy Wales and Larry Sanger kicked off Wikipedia as a side project, did the full potential of the technologies become apparent. We are now at a stage where Facebook has 1.86 billion users and claims almost half of the traffic on the internet.