Making the World (of Communications) a Different Place David D. Clark, Craig Partridge, Robert T. Braden, Bruce Davie, Sally Floyd, Van Jacobson, Dina Katabi, Greg Minshall, K.K. Ramakrishnan, Timothy Roscoe, Ion Stoica, John Wroclawski and Lixia Zhang Abstract How might the computing and communications world be materially different in 10 to 15 years, and how might we define a research agenda tha