The printing press was the first one of many communication mediums, changing how information was collected, stored, retrieved, criticized, discovered, and promoted. It has been implicated in the Reformation, the Renaissance and the Scientific Revolution. Centerfolds sure would be hard to pull off without it. Consumers love lasers thanks to CD players and laser printers. Doctors love lasers because they simplify and quicken cosmetic and eye surgery.
Scientists love lasers for their precision and power.
We love lasers because of faster lines at the beer store. Automobiles have come a long way. They permitted rapid transportation of people and goods. The next challenge lies in developing environment-friendly automobiles. We're still waiting for the flying cars that Back to the Future promised.