Laura Fitton (@Pistachio) is one of the world's first Twitter marketers, author of the official Twitter for Dummies book and founder of Pistachio Consulting. In 2011, Fitton sold oneforty, an app directory for Twitter, to HubSpot. This is how Laura Fitton is #PoweringTomorrow, tell us on Twitter, Facebook, or your blog - how you are #PoweringTomorrow.