Do we really need to be assigning telephone numbers to smart meters, cars and e-readers? Could we instead use some other application-layer identifier? If so, what? And how? In this episode I talk about some of the issues around moving beyond phone numbers, both why we might want to and also what some of the challenges are. More info can be found in this post: http://www.disruptivetelephony.com/2013/05/moving-beyond-telephone-numbers-the-need-for-a-secure-ubiquitous-application-layer-identifier.html