I've read post after post about Dart. It looks really neat. I want to try it sometime. Now can Google use it to do something big and important? Please? We want

I've read post after post about Dart. It looks really neat. I want to try it sometime. Now can Google use it to do something big and important? Please? We want to see that it works for you. Invest in it by building products with it and show us we should do the same.