For guidance in educational Twitter resources, check Jeff Dunn’s A-Z Dictionary of Educational Twitter Hashtags. You’ll find the following lists: Most Popular Hashtags (global, teaching, kindergarten, etc.; Technology (apps, mobile learning, game-based, etc.); Subject Specific (math music, arts, history, etc.); Specific Areas/Roles (bullying, chat, homeschool, play, etc.); and full list (nearly all educational hashtags). According to Dunn, the educational hashtags on the list were curated by Cybraryman and the Creative Education blog, tweetsmarter.com, and hashtags.org.