Apple Inc. (NASDAQ:AAPL)'s chief executive officer, Tim Cook, is one of the first big names to invest in a water-conserving shower head called Nebia. Cook has so much faith in the product, he even had the new shower heads installed in the corporate campus bathrooms in Cupertino.The Nebia shower head features a unique design with specialized nozzles to transform water into droplets to increase the surface area of the spray. Compared to most shower heads, which use about 20 gallons of water, the Nebia shower is said to roughly use six gallons per average use. Cook's investment shows he is serious about making the world a greener place. Nebia raising money through... More