#DENChat January 24, 2015 Categories: DEN [View the story “#DENChat” on Storify] Authors Lisa Parisi Sharing Twitter0 Facebook0 Google +0 Linkedinactive){li-icon[type=linkedin-bug][color=inverse] .background{fill Email this article Print this article [socialBuzz] Tags #denchat, Math Techbook, Patrick Vennebush, Uncategorized