At Online Educa, I gave a talk called ‘2500 years of learning – the good, the bad and the ugly’. It went down well but at the end Stephen Downes, who was in the audience, came up to me and made the reasonable claim, that I had mentioned Ng & Koller but not his good self. He was right. I have a lot of time for both of these guys, so I have rectified this by writing this short piece and will be including Downes and Siemens in my future versions of the talk. Here’s my short piece….