The Fourth Step
How to Free Your Mind to Imagine Possible Worlds
For many of us, text messaging is like breathing—necessary, automatic, and reflexive. It hasn't been around very long, though: it's based on Short Message Service (SMS), a technology that's only been available on cell phones since the early 1990s. When SMS was first invented by the Dutch company CMG, it was designed to be used strictly for internal maintenance purposes. For example, CMG used it to broadcast messages to its customers about network ...