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PowerPoint is a dominant communication tool in business and education. It allows for creating professional-looking presentations easily, but without understanding its constraining qualities it can be used inappropriately. Therefore we conducted a systematic literature review structuring the literature on PowerPoint in three chronological phases ("Early Criticism," "Heated Debate," and "Scientific Take-Off") and identifying 18 constraining qualities classified into three categories: cognitive, emotional, and social. This article provides implications for educators' and practitioners' use (and nonuse) of PowerPoint through synthesis and description of such constraining qualities. Directions for future research are developed by identifying theoretical gaps in literature on PowerPoint.

Coproduction offerings, in which customers engage in the production of goods and services, are ubiquitous (e.g., ready-to-assemble products, self-service technologies). However, although previous research has predominantly identified beneficial aspects of coproduction in contrast to traditional firm production, the pivotal role of coproduction intensity within coproduction processes has largely been neglected. Furthermore, little is known about strategies that firms can employ to positively influence customers' perceptions of coproduction processes. Drawing on a large field experiment with 803 customers engaging in actual coproduction processes, the current study makes a first attempt to address these research voids. The results show that coproduction intensity negatively affects customers' satisfaction with the coproduction process. Furthermore, the study offers first insights into how firms can mitigate these negative effects by employing corporate communication strategies that either emphasize specific coproduction value propositions (value-enhancing communication strategies) or highlight additional coproduction service supplements (intensity-reducing communication strategies). [ABSTRACT FROM AUTHOR]