I actually really like this idea (and once created a browser extension to at least make URLs look like that in the address bar), but I still think there is a be

I actually really like this idea (and once created a browser extension to at least make URLs look like that in the address bar), but I still think there is a benefit to having domain names distinguishable from paths, so it would be: https://com.ycombinator.news/item https://com.ycombinator.news/item Having just checked, I see that ycombinator.news has already been registered, so maybe the lesson is that everyone should register "palindromic" domains, like com.ycombinator.com for example.