Edtech Investors, Mark Cuban Back Online Discussion Platform Popular With College FacultyPackback helps faculty make big classes feel smaller; engage students to spark curiosity and critical thinking through application of cognitive science CHICAGO, January 31, 2018-- Packback, developer of AI-powered learning communities popular among college faculty, announced today that it has raised $4.2 million in a Series A funding round led by leading edtech investor University Ventures, with participation from previous investors including Mark Cuban, Wintrust Ventures, and Wildcat Capital.