How the year's most promising technologists are chosen, and why we insist on their youth.
From the Editor
What is Facebook doing with its unprecedentedly large network?
They promise to change the world. But how will their development be funded?
What the TR50 companies have in common.
Tomorrow's breakthroughs will demand the revival of American manufacturing.
Emulate the methods and values of Apple's late cofounder.
Did social media matter in the Arab Spring? We sent a reporter to ask the revolutionaries.
Human systems are not infinitely adaptable.
How we choose the "10 Emerging Technologies."
By itself, perhaps not. But as an innovator, maybe.