Digital platforms have transformed firms, workers, and the economy. MIT Platform Strategy Summit leaders explain why–and what’s next. — Platforms beat pipelines. Network effects power platforms. By 2016, when the book Platform Revolution, by Geoffrey Parker, Marshall Van Alstyne, and Sangeet Paul Choudary, was released, these phrases were beginning to resonate with savvy digital marketers. But it was only a few years earlier that startups with disruptive business models…