I am so in awe at this site! It is the first actual example I have witnessed of non-monotonic progressive enhancement. You start with a text-only browser and

I am so in awe at this site! It is the first actual example I have witnessed of non-monotonic progressive enhancement. You start with a text-only browser and the site is OK; so far so good. Then you keep adding features to the browser and the site progressively disappears and re-appears again.