I have to say that the "Free Premium Membership Day" is really awesome.
Maybe, when I have way too much money on my hands, I'll buy one. But right now I spend my money on other things.
But it's really cool to try out all the functions (I guess I should start some more polls, just because I can!)
Sorry if I spam your inboxes... This won't last for long. Tomorrow I'll be premium-less again and just upload a picture once in a while ^^