Bill and Melinda Gates want you to build them a new toilet

"That's strange," you might be thinking. "Surely the Gates can afford the very best that the wide world of toilets has to offer." And you'd be right — but that still wouldn't make their toilet that much better than anyone else's. In fact, odds are high that the Gates' toilet is probably pretty similar to your toilet,… » 8/19/11 8:00am 8/19/11 8:00am