How to Use the PS4's Web Browser for Youtube.
According to a few forum posts and news sites, you can easily access Youtube without waiting for the official app. Apparently, all you need to do is go to Youtube.com/tv, and you're free to watch any Youtube video you want. I've tried it, and it works as you expect it would. The interface is a bit ugly and hard to get used to, but other than that videos load fine. No need to wait for the official app, you can go ahead and watch dat youtube now
inb4ButYoutubeIsShitNow
inb4ButYoutubeIsShitNow