Remember when you were a kid and it's a cloudy day and you lie back in the grass and watch the clouds passing by and changing form and you're trying to see if they're characters or animals or other shapes?
High-definition television does more for sport than for many other genres: you may not want to see a newsreader's wrinkles, but it could be fun to watch the grass ruffled by the wind or the beads of sweat running down Kobe Bryant's face.