I feel compelled to share this with everyone.
No doubt it's being passed around the internet a lot right now, but really... it's important. All of Tarkovsky's films available to watch free online right now.
I think that's worth shouting about, don't you?
Just scroll down the page when you get there. There's a youtube clip near the top. That's not what we're talking about here. Scroll down. See the further links. It's worth it.