I'm slightly confused... this seems like a cross between WebComponents and a very simple template language. With a bunch of pre-built components. It's a neat i

I'm slightly confused... this seems like a cross between WebComponents and a very simple template language. With a bunch of pre-built components. It's a neat idea but I feel like I'm missing something. Which part if the approach is "new" here? I'm not criticizing, I honestly feel like I must be missing something and would like to know what.