is Perusall? - Introductory Presentation by creator Gary King, Institute for Quantitative Social Science Harvard University
Perusall - This new tool makes the flipped classroom more social - by Dennis Pierce
Plickers is a powerfully simple tool that lets teachers collect real-time formative assessment data without the need for student devices
Plickers - An Engaging Way to Assess by Kalie Mitchell
Prism - collaborative text analysis and interpretation