CTRUS. A football - as in soccer - ball that doesn't use air but an inner elastic structure and an elastomer skin that perfectly simulates a real football ball. It's also the ball that would avoid most referee mistakes.
Many people argue that one of the beauties of soccer is the occasional mistakes made by referees, specially the offsides. But when it's your team that gets eliminated from a World Cup or the UEFA Champions League because of one of those mistakes, it's not funny at all. And it may cost your club millions of dollars.
The CTRUS C1 avoids these mistakes thanks to an internal positioning system that would keep track of the ball at all times. The ball will also change colour depending on its position and the game situation (like getting red during a dangerous free kick. Like this:
[Design Boom - Thanks Sergio Diaz!]