What Technology Wants is stimulating and controversial. And so, it fulfills Kelly's very premise by adding to the evolution of ideas. It advances the great debates of our times.

Here's how ergonomics, electronics and economics have contributed to the look and feel of the computer keyboard over the years. What will our fingertips type on next?

For 40 years or so, we've used computer monitors to work with our desktops and laptops. But as as head-mounted displays advance, how we see the online world is going to change.