Go wet, young IT man. Your parched, imperiled planet needs you. When it comes to creating a future filled with fresh, drinkable water, information technology professionals have a significant career opportunity in a mega-sized market. The very economic survival of a thirsty, arid Earth — with the U.S. southwest as a prime example — depends a great deal on properly applying the skills and expertise of app developers and systems administrators to the mapping, modeling and management of water across the world.