Music publicist and blogger extraordinaire Ariel Hyatt of Ariel Publicity and Carla Lynne Hall have a brand-new book out called Musician's Roadmap To Facebook And Twitter. To win 1 of the 3 books (1 physical, 2 digital) that we are giving away to Hypebot readers, tell us in the comments section three music industry types you follow on Twitter. Please include an email so we can contact you.