(super: washington, dc :06-:10) michael hartridge is using a 3-d printer at this public library. he's making medallions... to sell. michael is homeless - one of the estimated 62 million people in america -- 20 percent -- who the census bureau says have either no computer or no internet connection. (sot michael hartridge / library digital customer :22- :30) "i read about this, and then i come in here and use it. great! you can't beat that!" millions - especially the poor, seniors, those without college degrees - are turning to libraries to get connected. it's a homework hub for students. teachers are increasingly posting and accepting assignments online. (sot sari feldman / president - american library association :44-:50) 'if they didn't come to the public library, where they have access to computers, as well as high-speed broadband and the qualified staff to help them on the computer, they would really be at a dadvantage." the american library association's new campaign - "libraries transform" - shows people where to get help. not just to surf the web... watch videos or send emai