The document discusses how digital technologies are transforming businesses and industries. It notes that companies that fully embrace new technologies by rebuilding their businesses around them have been disruptive historically. It provides examples of companies from different industries that have become digital leaders by doing this, such as transforming from brick-and-mortar retailers to digital platforms. The document advocates that all companies need to think "outside in" by exposing their data and capabilities through application programming interfaces (APIs) to build vibrant internal and external developer ecosystems, which can help established companies transform into platform businesses leveraging their data and technologies.