There are some things we see every day, to the point where they’ve become invisible. For example, the humble cup holder in your car. Sure, it doesn’t do anything beyond its one designated purpose, it doesn’t play your iPod or update your Facebook status for you. But it’s the reason you’re not soaked in Mountain Dew breakfast drink on your way to work, so you should take a moment to thank it for not having to explaining that stain to your boss. [More]