Thought some of you might find this interesting:
http://www.bbc.co.uk/news/magazine-21206964

This is really cool for the Giffy guys and Gals

Very nice work. I like there gif's that look almost as a still image but have just that little detail moving...
But that makes really big files, don't even dream that you could upload something like that for a contest here op PSC...

Cool, I like (animated) GIF files!

I worked on the original G4 standard (for color faxxes) back in the olden days. It became .gif. As I understand it, the animated gif merely XORs the negative of the change from the next frame to the previous frame. So large, unchanging areas don't add any volume to the file, once the original frame is laid down.