noun (sometimes initial capital letters)
a period beginning about 1975 and characterized by the gathering and almost instantaneous transmission of vast amounts of information and by the rise of information-based industries.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
a time when large amounts of information are widely available to many people, largely through computer technology
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012