after i watched 's Polymer talk at the GDC'14, I tried Polymer for the first time. And yes, Polymer is such a big deal to rapid prototype your application or write a fancy Sunday afternoon project. Thanks a lot folk.
But something does not work. I tried to execute 's contact app and the grunt task 'sass' failed.
I'm very new to grunt and the build lifecycle. It would be great if anybody may help me through the first 'steps' in using Polymer.