The document discusses three waves of digital disruption that businesses have faced: 1) the dot-com era which altered trade-offs between richness and reach, 2) Web 2.0 which showed small businesses could be successful, and 3) hyperscaling where large scale is now important. Amazon has led innovation by deconstructing bookselling, curating online communities, and achieving global scale in fulfillment and cloud computing. The latest disruption brings ubiquitous sensing, connectivity, and data that can be analyzed through artificial intelligence, challenging traditional business models.