The salad days of on-line shopping

I have seen the future of on-line shopping, and it is green. The logos are green. The sweaters are green. Two people walking abreast look like two peas in a pod. This may take some explaining. There are many competing visions of on-line shopping. The most down-to-earth version goes like this. Consumers use their modem to examine the merchandise on their computer screen, order the goods, pay for them electronically, and specify a convenient delivery time to their door-all for a low fee. In this paper a case study illustrates innovative computing and what makes it work.