In case it's not clear from the timeline, this is part of a larger project by Audrey Watters, writer of the fantastic Hack Education blog (http://hackeducation.

In case it's not clear from the timeline, this is part of a larger project by Audrey Watters, writer of the fantastic Hack Education blog (http://hackeducation.com/ http://hackeducation.com/). Teaching Machines is the title of her forthcoming book, to be published by MIT Press.