Nice. I made this exact same concept almost a year ago, too. It was fun to code and watch to see who randomly won. These guys definitely have a little bit better Photoshop skills than I do, though. :) I called mine Crowdwoo.

Here is my post about mine: http://news.ycombinator.com/item?id=2576392 and my source code for it, https://github.com/ryancole/crowdwoo.com

and with a time machine snapshot to see what it looked like: http://web.archive.org/web/20110708205146/http://crowdwoo.co...

and finally a link to the original idea source, compliments of Dave Winer: http://scripting.com/stories/2011/05/15/socialMediaBubblePop...