Whether it’s 20 tips for 20-somethings or 30 movers and shakers under the age of 30, there’s always a new list aimed at young professionals doing big things. And that makes sense — early adulthood, after all, is typically focused on forging a career path. But maybe there should also be some different lists. Say, 70 first-time novelists over the age of 70, or 80 up-and-coming small business owners in their 80s. St. Louisan Lynn Hamilton believes it's never too late to try something new.