Over the past two decades, processes of digitalization and mediatization have shaped the communication landscape and have had a strong impact on various facets of communication. The digitalization of communication results in completely new forms of digital traces that make communication processes observable in new and unprecedented ways. Although many scholars in the social sciences acknowledge the chances and requirements of the digital revolution in communication, they are also facing fundamental challenges in implementing successful research programs, strategies, and designs that are based on computational methods and “big data.” This Special Section aims at bringing together seminal perspectives on challenges and chances of computationa...