If you thought a bigger pixel count just meant bigger file sizes, then take a look above. That big guy at the bottom is the 41-megapixel sensor responsible for those awesome Nokia 808 PureView shots we saw at MWC on Monday. The two above it are 8- and 5-megapixel sensors respectively, and give you an idea of the real-estate cost of packing a superior snapper. At two and a half times the physical size of the N8's prized optics, we think the Pure
