Many entrepreneurs and small businesspeople can now run their entire operations on a computer, and people keep their recipes not only organized, but also online. They also track their workouts, monitor their babies, and amass huge collections of digital friends (for better or worse).
纽约—3D打印将如何改变世界？如今，你可以读到珠宝和定制开罐器，一如三十年前你可以读到个人电脑将帮你组织食谱。当然，个人电脑的功能远不止于此。如今，许多创业家和小企业主可以靠一台电脑做生意，人们不但可以组织食谱，还能在线完成。电脑还能追踪人们的锻炼计划，监测人们的习惯，以及招徕一大群数字朋友（有利也有弊）。