It solved piles of papers and faxes for inter-office memoranda. It solved a 2-week delay for communications with customers (everything from “your order has been

It solved piles of papers and faxes for inter-office memoranda. It solved a 2-week delay for communications with customers (everything from “your order has been placed” to “you still owe us money” to “here’s our christmas catalog”). Email solved the problem of the physical post being (comparatively) expensive and slow.