when the helicopter started to go down and the dude is like "Oh God please forgive me. Oh God!!"

My guess is it came down from space as an infant, took it 1 month to grow exponentially and booomm, comes out and destroy Manhattan

source: http://www.horrorphile.net/cloverfield-monster-movie/

This site would occasionally have photos added to it, sometimes of things that were obviously related to the movie like two women staring up at something horrific or people evacuating the scene of a disaster. Other times photos would be more cryptic and mysterious, like the one showing a chef holding up his creation.
Each one was time-stamped, allowing the visitor to see when it was taken. This was especially helpful on the ones that were obviously movie-related since you could arrange them in such a way to build a chronology of the night's events, moving from party to terror. Biro later clued me in to the fact that you could shake them with your computer mouse and have them flip over. A couple of them then had something written on the back. Specifically, the one of the chef had the recipe for whatever it is he's holding, and the one with a couple of party-goers had a note from the girl in the picture, Jamie, wishing Rob well on his trip. (Note: Remember that name for later)