Great point -- in fact, I actually recall seeing a similar visualization on a different site a couple weeks before the NYTs one came out. It was interesting, b

Great point -- in fact, I actually recall seeing a similar visualization on a different site a couple weeks before the NYTs one came out. It was interesting, but I dismissed it as less scientific because it wasn't on a credible domain. No doubt, part of the success of this visualization was that it was tied to the NYT.