Since digital cameras were first introduced to the market, people have focused (no pun intended) on how many mega-pixels a camera has as a measure of how advanced it is. Well, more isn't necessarily better. Nowadays, it's all about the light baby! In this article, Gizmodo gets all scientific-like and explains why a camera's low-light performance is one of the new go-to standards in judging a digital camera. We've reached our mega-pixel saturation point. To make the next big leap in technological advancement, the camera industry needs to look at better sensors, image processors and lenses for the next generation of digital cameras.