Cloverfield (with essential but somewhat vague spoiler)

Y'know, I really didn't want to like Cloverfield, but I did. In fact, I would go so far as to say it was sort of awesome. I don't mean it's the best movie I've seen in years or anything, but... it just did its thing so darn well. "Its thing" being a big helping of Godzilla a la Blair Witch, if you get my drift. So if you like that sort of thing at all, it's a must-see. The only thing is,

( SPOILER! )