Imagine four or more Sears and Roebuck catalog — and much, much more — type web pages; one of which belongs to the USPS, Amazon gets to keep one, if they can show copyright. Let’s call these Web Pages Amazon, Nile, Mississippi, and Danube, with Mississippi being assigned to the USPS. Each of these Four or More Rivers of commerce would have large numbers of manufacturers/producers as paid subscribers; we are, after all, now in the post retail, post warehouse era.
Anything anyone might want to purchase would be listed on one or more of these Web Pages along with the price and delivery time. The Four or More Web Pages would compete with one another on the basis of their Web Page and quality and value of delivery service. The manufacturers/producers would compete with one another on the basis of quality and price (value), and time of delivery with their ads on one or more of the Four or More Web Pages. The Web Pages/Four or More Rivers would compete with one another for producer/manufacturer listings; and, for orders based marketing skills, rates charged, and quality of service.
Each Web Page site would perforce be huge with millions of listings, employ thousands, and undoubtedly consume gigs and gigs of has to be green power.
In the olden days of retail, manufacturers took orders then produced lots that sat around on the factory floor or in warehouses. In the post-retail/warehouse era, goods are shipped as produced, or shortly thereafter. Instead of buyers and sales, producers will produce a product on the basis of market analysis; a prediction of what the market will be tomorrow that will prove to be more accurate and timely than the old method based on orders received. When a producer gets an order for a size 4 Simier Fariry blue dress — the demand is now — that dress will either be being made or be just finished.
When an order is received by the producer, the item is either ready to ship or will be within hours. The producers will package the order/item and hand it off to one of the Four or More Rivers who will then and there do the sorting and loading by destination. Some mini, van to van type, transfer points, may be required, but this is only all the more reason yet to have production proximate the point of consumption. The order for the blue dress is placed and within hours the dress is delivered to the purchaser’s home by one of the Four or More Rivers.