I’ve been thinking back over the initial response I (and many other educators) had to Jarrod Drysdale’s heartfelt outburst about the story of his web app, Knack. He designed this to help teachers generate learner analytics that they might in turn use to agitate for change or demonstrate their accomplishments, and I’ve been engaged in a brief exchange of views on his blog on the way he reacted to its failure. First, I do think he’s right that in a culture that…