Handbook of digital innovation / edited by Satish Nambisan (Nancy and Joseph Keithley Professor of Technology Management, Weatherhead School of Management, Case Western Reserve University, USA), Kalle Lyytinen (The Iris S. Wolstein Professor of Management Design, Weatherhead School of Management, Case Western Reserve University, USA), Youngjin Yoo (The Elizabeth M. and William C. Treuhaft Professor in Entrepreneurship, Weatherhead School of Management, Case Western Reserve University, USA)