>> larry: since 2003 dana cummings and his organization have taught over 300 disabled people how to surf. to nominate someone you think is changing the world go to cnn.com/heroes. back with more of t.i. after this. [ female announcer ] instead of drinking old office coffee, "know it all" made a cup of premium starbucks via. "know it all" shared it with "single and loving it!" who made a cup the next morning for "ladies man" as he was rushing out the back door. he shared it with "blondes have more fun" and "fiery redhead," who, after finding out about each other, shared starbucks via with their new boyfriends, "firemen keep it hot" and "drummers rock,"