What is so good about the iphone5?

I literally just got an iphone4s for christmas and people are like
OMG THAT PHONE IS So OLD! I don't see the difference between the phones besides the fact that the iphone 5 is longer and has "faster Wi-Fi" why are we so obsessed with the newest phones anyway!

Its thin bigger screen really light fast

Don't listen to them people like to flaunt their new phone in your face.yes it has a faster processor but most people couldn't even tell you what it is clocked at or how much RAM it has. What i'm trying to say is its not that much better people just like to convince themselves it is because they spent quite a bit of money on it.