iPhone Power Revisited: Still Less Than a Fridge

In August Mark Mill’s paper “The Cloud Begins with Coal” claimed that that the annual energy use of an iPhone exceeded that of a standard refrigerator. In my response I showed where his calculations were flawed, and that his claim didn’t hold up (a number of others also offered critiques). However, I also said that he made some important points about the energy cost of mobile data. About 10 days ago Mark published a rebuttal defending his original computation, and adding a new calculation that he claims supports his case.