Never before has such mileage been milked from 675 words. The Chicago Tribune columnist Mary Schmich's column on June 1, 1997, dispensing life advice in a mock graduation speech, has gone on to become a mass e-mail message, a novelty book, and, now, a hit pop song. Those words were a blend of common sense ("Wear sunscreen" and "Respect your elders") and some not-so-common sense ("Do one thing every day that scares you" and "Keep your old love letters. Throw away your old bank statements.").