Steve jobs left a four year product list thing.
@OP I wasn't disappointed, tbh, I think its cool that there's a faster processor, better cam, and siri. It's still way ahead of its time, and there was more than that, then every body would say it "they put to much stuff on it" or some other bullshit like that, and lets face it, even if you "don't" like the iPhone4s you'll still take one if someone bought you one.