This book is about the future of technology. In it we will examine some of the many recent developments in a few key fields and try, in a limited way, to forecast where they will take us in the next fifteen years or so.  
本书讲述的是技术的未来。书中，我们将检视大量的近期发展中的一些关键领域，有限地预测，在未来15年左右 ，这些发展将带我们走向何方。
If that sounds like a modest goal, it’s not.
听起来这是个适度的目标，但不是。
(Technology is the dominant force of our time and probably of all time to come. It appears in more varieties than we can count).
（技术是我们这个时代，并有可