Google Project Sunroof – “As the price of installing solar has gotten less expensive, more homeowners are turning to it as a possible option for decreasing their energy bill. We want to make installing solar panels easy and understandable for anyone…Project Sunroof puts Google’s expansive data in mapping and computing resources to use, helping calculate the best solar plan for you. Simply enter a state, county, city, or zip code to see a solar estimate for the area, based on the amount of usable sunlight and roof space.”