One could probably assume you already know it. Right? =)
> Minifying JavaScript and CSS files isn't new, nor are REST and HTML5.
Being new and being widely practiced are two different things. Also, REST is something people still struggle with today, because they assumed they knew it because it's deceptively easy. And HTML5? Really? It takes just 10 seconds to scroll through the thread here and see how just because HTML5 is more than 6 months old doesn't mean everyone sees it as ready.
> but it looks like he's still just catching up with where the rest of us were years ago
The rest of who specifically? Not HN'ers, that's for sure. Not web developers. Who, specifically?