User blog comment:CptSteveRogers/LEGO...Yes, LEGO./@comment-5111283-20140226170350/@comment-1693968-20140226170507

It was a Chrome Experiment, I believe. It's really amazing that they could be able to create something like this within a browser. Also, LDD only runs when it's downloaded. The world is moving more towards internet based applications. For example, I can't use LDD on my Chromebook, but I can use this.