A technology that is here today and being rapidly advanced for delivery of products is 3-D printing. Users will be able to order products via the Internet, Smart TVs, and smart mobile devices. A 3-D printer at the ordering location (for those that have one) or at a 3-D printing center (operating similar to a FedEx copy center) will then make the products according to a blueprint, recipe, or software program. Where will the ingredients that are fed into the printer come from? There are many possibilities. They might be (1) already purchased in a traditional way and stored in the home, office, hospital or place of business, (2) loaded into purchased cartridges similar to ink cartridges in an inkjet printer, (3) delivered by drones, or (4) sent through a system of underground tubes similar to the way water, gas, and other utilities are delivered today. Taking this one step further, once products are used, a similar (but separate) tube system can be used to sterilize, recycle, and process any waste.

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