This is a fascinating time line. Watch the short video clip to see how it works and then go to the site and play around. Looks like students can create stories using it. It's really cool. Thanks to Daniel Beylerian on Twitter for the link to ChronoZoom and to this Microsoft website which explains the vision and research for ChronoZoom. David Christian, who wrote This Fleeting World and An Introduction to Big History, is a consultant.