it really is a different thing, because it supports progressive loading (you get lo-res animation initially, and then load up more details just like with non-an

it really is a different thing, because it supports progressive loading (you get lo-res animation initially, and then load up more details just like with non-animated progressive image) (unless this feature got trashed during the multi year finalisation. best technical discussion about it still seems old FLIF/FUIF posts and encode.su threads)