Martin Reeves is Chairman of the BCG Henderson Institute and author of The Imagination Machine and his newest book, Like: The Button That Changed the World. A prolific strategist and researcher, Martin is known for uncovering practical lessons from unexpected places and helping leaders rethink innovation for the real world. In this conversation, we trace the surprising story of the “like” button—how a few lines of JavaScript, cultural quirks, and serendipitous accidents reshaped business mode...