Examines the key drivers and building blocks of digital business transformations underlying the best marketing practices of the platform economy. Discusses how companies can successfully take advantage of emerging multisided platforms and market-driven network externalities. Offers students an opportunity to learn how platforms change the way firms and consumers transact; identify customer groups whose affiliation with the platform is most valuable; understand the dynamics and limitations of platform-based network effects; design competitive platform-based marketing strategies; and develop plans for turning products and services into sustainable customer-centric platforms. Explores consumer-based perspectives to highlight potential biases and discrimination arising in the platform economy, and considers various approaches for establishing fair and appropriate regulations and policies to mitigate such issues.