Quality can be very superior to analog. Digitization is more than just 0 and 1. Bits are used to represent many types of information. Audio, video, graphs, and photographs can all be digitized. Delivery of the mail from the post office takes a minimum of one day at best, and several days is more common.
Digitization can send mail electronically in a matter of minutes.
Many things previously only found as a physical object are becoming virtual. There will be less need for actual shopping malls and offices as more and more people use the net. Already, online shopping in virtual markets and malls is becoming popular, and virtual aliens are working away without ever seeing their office. Millions of so-called virtual aliens are working for U.S. companies from Shanghai, New Delhi, and Hong Kong. The traditional hierarchical structure has become more horizontal and process-oriented.