@mjfenton Principles for Building Activities #descon17 #tmc17 @desmos . Share this:Click to share on Twitter (Opens in new window)Click to share on Facebook (Opens in new window)Click to share on Google+ (Opens in new window)MoreClick to share on LinkedIn (Opens in new window)Click to share on Tumblr (Opens in new window)Click to email this to a friend (Opens in new window)Click to share on Pinterest (Opens in new window)Click to share on Reddit (Opens in new window)Like this:Like Loading... July 26, 2017 0