I have been waiting for yahoo to do this for a long time. It makes me wonder why yahoo and microsoft cannot come up with cool (yet obvious) things like this fi

I have been waiting for yahoo to do this for a long time. It makes me wonder why yahoo and microsoft cannot come up with cool (yet obvious) things like this first. Does anyone know if this is something the IETF (Internet Engineering Task Force) could make a part of the internet authentication standard?