A friend of mine was playing a spelling game with her 3-year-old the other day. She held up a card that read "we," and explained that it was spelled "w-e." "But Mommy," said her child, "we is spelled ...

Thirty years ago, Nintendo's Gunpei Yokoi created the cross-shaped D-pad. In the decades following that touchstone event, Nintendo has been responsible for nearly every significant interface ...