a big game happening. north carolina versus lsu. the georgia dome today kicking off really a big saturday for college football. a lot of folks excited. they re already down there hanging out. beautiful, beautiful morning. always a good morning to bust a move here in atlanta with the young emcee. maybe you need to bust a move and stay fit. a lot of people want to do that, but how can you turn to the internet? is that a way to stay fit? you can find nutritious meal planning to a virtual trainer online. my doctor, sanjay gupta now, is showing you websites to help you keep track of your health. reporter: we live our lines online these days. we buy plane ticket, pay bills. why not fitness? when people want help a lot of times the internet is the best way to search for it. and if you can get that help immediately online, that s great. reporter: so we put some of our fit nation expert tons hunt to look at some of the latest and greatest online fitness tools. check out the fit orbit, a r