I had the 4S and was itching for a replacement/upgrade at the 2 year mark. Now I'm on a 5S and I don't think it's lost much at 2 years old - it's maybe gone fr

I had the 4S and was itching for a replacement/upgrade at the 2 year mark. Now I'm on a 5S and I don't think it's lost much at 2 years old - it's maybe gone from "lightning fast" to "fast" in that time, but a raft of convenient added features make that a worthy tradeoff. So Apple are laying the sense of "planned obsolescence" to rest, for me at least. I think they were just pushing against a lot of hardware boundaries in the iPhone's early years.