Twitter, twitter, twitter. Like the chattering that its name implies, micro-blogging turned mass communication tool Twitter now seems to be heard everywhere. So overwhelming has it been that while I joined some time ago, I’ve got serious in the last month and now consider it the fourth leg of my personal learning network after Google Reader, Facebook, and Email discussion lists. In one day I came across a three great articles blogged by others, a wiki, and even a story in my Brisbane paper (a sure sign that its now going mainstream if they know about it). So For all my friends and fellow Educators who are still asking what is Twitter and why does it matter, have a look at these: