As part of my the Information and Media Literacy unit I just completed for my M.Ed in Integrating Technology, I had to explore personal learning networks. My post PLN: A brief review outlines the new one I tried - The Educator's PLN ( edupln.ning.com ) - in comparison with my trusted favourite , Twitter ( Twitter.com ). Twitter, of course, came out tops. I have been using Twitter for over a year now and I find it invaluable as a resource for ideas, support and news. I recently spoke at the Google Summit KL, and in the scripting session I attended by Evan Scherr*, he finished by asking how many of us in the room were on Twitter? I was shocked at the poor response, but glad he then evanglised about how educators must be on Twitter. I agree with him whole-heartedly , it is an essential tool in being conected with a global network of like-minded educators - and if you are not connected, you are missing out. This morning I read a great p...