haha it was pretty killer.

You can checkout the code on Github here: https://github.com/mmodm/mmodm

We used a mixture of stuff, but mostly just node.js and jquery

Haha yep. Chrome cranks SetInterval way down when a tab is in the background.

Ha! This is fun though I was hoping for some simple machine-vision based pre-processing on the image to auto place the speech bubbles.