'When I sat down to write The World is Flat:Facebook didn't exist, Twitter was still a sound, the cloud was still in the sky, 4G was a parking place,LinkedIn was a prison, applications were what you sent to college, and Skype was a typo.'

Thomas Friedman, the author of the excellent book on globalisation, The World Is Flat, explained this better than most.

In the video link below on Richard Branson's Blog, he talks about moving from a connected to a hyperconnected world. 

The whole thing is well worth a watch, but particularly one striking comment about the revolution of social media.

Video link to the Red Knight's blog.