Instead, 3D printers are now starting to work their way up the "slope of enlightenment" stage, where most progress is achieved.

ENGADGET: The future of higher education: reshaping universities through 3D printing

One might ask whether starting down this sticky, sweet-and-sour slope toward an unregulated market in lemonade will mean allowing just anyone to open a lemonade stand, food truck, or other unregulated, informal business that will compete with brick-and-mortar incumbents.

FORBES: Lemonade and Liberty