What makes a question deserve a "GREAT QUESTION" ?

I have to ask this, as I’m heading off to bed…a question I asked tonight has earned ONE (1) “great question”, in an hour. I don’t care about that so much, but it’s curious, because I often see questions that have 5 or 6 responses, and 3 “great question” ratings (just an example), yet my previous question has elicited 66 responses in an hour.

I’m not saying my question was great, or even good for that matter, it’s just curious to me, because I asked it at a fairly late hour, and yet the conversation is flowing at a really nice rate, and that would seem to indicate quite a bit of interest in the topic, even if the question is simple.

So I thought I’d ask, what makes YOU click on the “Great Question” button?