http://beta.glitch.com/account/votes/
"They have not yet been implemented in the game" So we can't vote as yet now. Hopefully sometime in the near future :)
Lmao can I just say that I love all of these new users that use no uppercase letters and hardly any punctuation? I love it. And no, I'm not being sarcastic.
No ETA on when referendum voting will go live, either. I imagine it as a sort of 'plus one' thing similar to feedback sites such as this one, in the Ideas forum.