An ambitious and fascinating look at the "Social Network" of great thinkers and writers of the Enlightenment. Read more and see the video overview linked here, then explore the interactive infographic. From Stanford University.

Students at a High School in Amsterdam decided to exploit the relatively new "timeline" feature of Facebook and create their own timelines for historical figures, events, and topics. Linked here is an article with their promo video.

This site works with Google Maps. You can search by photo, place, or time period. You can compare historical photos with modern street view, or better yet help "create a digital history of the world" by pinning your own photos and stories. See the video overview linked here.