Roku was already the best little streaming device money could buy. But now, Google has gone and given Roku access to all your Google Play goodies. Which, more than just being an unprecedented move on Google's part, makes Roku pretty much unstoppable.
Because Google didn't have to give Roku access to its cache of movies and TV shows—that's what Chromecast is for, after all. But in doing so, it's giving Roku users access to their kingdom—something we have yet to (and probably won't) see from Apple or Amazon. [Roku]