This is interesting, but I do not understand the comparison to bootstrap due to the fact that it is using bootstrap.
Yeah, that's a good point. I'm confused.
I've read through some of the faqs and the introduction and don't quite understand what polymer is.
At its heart, it's a polyfill for using the shadow DOM and web components. http://www.html5rocks.com/en/tutorials/webcomponents/shadowdom/
This is hot to DEATH. The shadow DOM and web components are two of the absolute most powerful features HTML5 has to offer.