In the early 1990s, we used a lot of paper and pens, and, as silly as it sounds now, fax machines for business-to-business communications. After all, the internet was only emerging, and dial-up access was slow and clunky. If you needed copy paper, fax paper, computers, pens, or back-to-school supplies (remember Trapper Keepers?), you had to physically go to a store unless you were a big company and had those things delivered by office supply companies. A few companies dominated the catalog office-supply ...