You have this backwards. We are dealing with orders of magnitude more information than we did in ancient times, and we are required to remember a good chunk of it and to be able to recall and use it at a moments notice.
Computers are a big factor in generating all of that information, even if they help process some of it the net effect is a huge surplus.
Computers are a big factor in generating all of that information, even if they help process some of it the net effect is a huge surplus.