Doesn't even necessarily have to transfer data with web workers, service workers, caching, etc. Google IO 2015, I believe, stores it's data so that when you lo

Doesn't even necessarily have to transfer data with web workers, service workers, caching, etc. Google IO 2015, I believe, stores it's data so that when you load it up it loads from a cache that it's service worker will reload once you have it open. Allowing it to work offline and removing the cost of transfer at the beginning. I believe, not 100% on that.