How Much New Info Annually?

“How much new information is created each year?” Researchers at Berkeley University say that “Newly created information is stored in four physical media: print, film, magnetic and optical, and seen or heard in four information flows through electronic channels, telephone, radio and TV, and the Internet.” The executive summary is provided at http://www2.sims.berkeley.edu/research/projects/how-much-info-2003/execsum.htm