I'm a bit curious as to why people talk about "protocol oriented" as something new. It seems to me to be just a way of doing interface-oriented programming, lik

I'm a bit curious as to why people talk about "protocol oriented" as something new. It seems to me to be just a way of doing interface-oriented programming, like people coding in java have been doing for the last ten years, as well as golang dev, and many other languages... Am i missing a difference, or is it just not to confuse people that only develop in objective-c ?