pounds and cost more than $100,000. and today most of the people in this room, including the person whose cell phone just rang, have a far more powerful computer in their pocket. computers have become so small, so universal, so ubiquitious, most of us can't imagine life without them. certainly my kids can't. and as a consequence millions of americans work in fields that didn't exist before their parents were born. watson, the computer that won jeopardy is now being used in hospitals across the country to diagnose diseases like cancer. that's how much progress has been made in my lifetime and in many of yours. that's how fast we can move when we make the investments, but we can't predict, you know, what