tom foreman, cnn, oklahoma city. >> building up america. we'll be right back. in here, inventory can be taught to learn... ♪ in here, machines have a voice... ♪ in here, medical history follows you... even when you're away from home. it's the at&t network -- a network of possibilities, creating and integrating solutions, helping business, and the world...work. rethink possible. and here's what we did today: we put almost three million americans to work... ...adding nearly 400 billion dollars to the economy. generated over two and a half million kilowatts of electricity... ...enough energy to power a quarter of america. we gave your kids a cleaner ride to school. kept the lights on during a calm day at the wind farm. heated 57 million u.s. homes.