Chapter 2 examines technological advancements that underpin digital transformation, with a focus on the convergence of communications and computers. It begins by detailing the development of these technologies and explores how digital conversion—the shift from analog to digital signals—opened the door to the digital world. The chapter then discusses how the convergence of communications and computers led to the creation of communication platform, primarily based on the Internet. Finally, it addresses the rise of content platforms built on mobile operating systems, explaining how the combination of smartphones, mobile OSs, and application marketplaces triggered the ‘ICT Big Bang,’ marking the start of the Digital Revolution.