By 2020, the world’s digital output may reach 35 zettabytes

Richard Yonck : futurist
"That’s enough DVDs to reach halfway to Mars. In the near future, high-speed wireless technologies will enable us to access information from almost any location at speeds approaching those of wired networks. Simultaneously, embedded networked processors and smart dust—sensor networks made up of billions, even trillions, of nodes—will be everywhere, providing real-time data streams about everything, all the time. "

Magazine "The Futurist"