If you continue to improve a product enough, you'll eventually ruin it.

Walking is a skill that took millions of years for us to develop... If you wanted to design a robot that could walk as well as a person, this would be fantastically complicated software. It would have to be doing billions of calculations with every step.

Why is Wi-Fi free at cheap hotels, but $14 a night at expensive ones?

There's one thing that shows up on all of the lists of what makes us human: language. Our ability to share our thoughts and complex information with others far surpasses all the barks, squeaks and growls of our animal friends.

The Kindle is the most successful electronic book-reading tablet so far, but that's not saying much; Silicon Valley is littered with the corpses of e-book reader projects.

An international team of psychiatrists has flown to Redmond, WA in an attempt to discover exactly what makes Bill Gates tick. And, more especially, what makes him go cuckoo every half hour.

People won't start dumping Google en masse; Google is a habit.