The document discusses a presentation about productivity, technology, and the global economy. It notes that productivity increased at different rates from 1870-1950, 1950-1973, and 1973-1993. It questions why technology takes time to impact productivity and how the rate of diffusion varies between industries. It also discusses how the world economy became globalized in the 1990s, driven by developments in technology and the deregulation of financial markets. This led to the rise of internet and information technology industries in the US.