I have lived it through exchanges of tweets, blog posts, emails, Twitter DM's, conversations with colleagues, students, ex-students, friends, my family online, offline around me and walking our dog Jazz.

to Keith in Florida who had turned up in the picnic.

In thirty seconds, their singing was on the internet winging its way to Egypt, and the USA, and Brazil, and Australia...well wherever.

First day in class, we had students chatting with a friend of mine working on a Ski Resort in Australia,