This document highlights several important events in the history of digital technology: - In 1973, Martin Cooper made the first mobile phone call. - In 1975, a supercomputer cost $5 million while an iPhone with equal performance cost $400. - In 1985, the first domain name, symbolics.com, was registered. - In 1995, Amazon.com launched online. - In 1998, Andy Bechtolsheim wrote the first $100k check to Google.