We all buy things with functions that we intend to use but never do. For instance, numerous individuals upgraded from the iPhone 4 to the 4S purely because they wanted to talk back to something during the morning commute. BMW customers pay a hefty premium for the M Sport package on their cars for that one time they think they’ll take it to the track. Who knows how many people bought Samsung’s Smart Fridge so they could tweet about what craft beer they pulled out, only to promptly spill it on the LCD display?