With Lady Gaga and Justin Bieber topping its list of most-followed users, Twitter might not seem like the most useful tool for professional networking and building your business reputation. But there’s more to Twitter than meets the eye. In his new book, “Platform: Get Noticed in a Noisy World” (Thomas Nelson Inc./available in May), author Michael S. Hyatt gives advice on how you can get the most bang for your buck when using Twitter as a career-booster. Hyatt gives readers a road map for self-marketing, examining how you can best position yourself or your product in the social media world to get the right kind of attention. Hyatt is the former CEO and current chairman of Thomas Nelson Publishers.