1. Do your customers trust you? Do they know what you do with their data and are they happy with it? This will be a major issue not just for the N.S.A., Microsoft and Google. Nor will Google Glass be the only product to provoke debate. Trust reduces the cost of doing business and those who don't build relationships of trust with their partners, suppliers and customers will feel the pinch.
4. Rather than strangling the doctor (difficult, due to his injury) Jalava took the corny line as inspiration. He decided to go ahead and actually build a prosthetic finger that contains two gigabytes of digital storage. He can now jack his finger into a computer just by peeling back the nail to expose the USB plug. He can also remove the entire finger at any time and hand it to a friend to use.
5. “Today you have to shop by image,” Mr. Nathan said. “But if you are brave and don’t follow fashion, there are opportunities.”