That task appealed to two masters of the megabyte , Peter Lyman and Hal Varian , professors at the University of California-Berkeley 's School of Information Management and Systems .
That task appealed to two masters of the megabyte , Peter Lyman and Hal Varian , professors at the University of California-Berkeley 's School of Information Management and Systems .
Peter Lyman and Hal Varian of Berkeley 's School of Information Management and Systems say that information production has increased by 30 percent each year between 1999 and 2002 .