This document discusses the history and basics of the internet and web development. It describes how the internet began as a US defense network called ARPANET in 1969 and expanded internationally. Key developments included the creation of email in 1972, domains and browsers in the 1980s-90s, and the invention of the World Wide Web by Tim Berners-Lee in 1990 which allowed for sharing of various file types and drove further internet growth. The document also covers web servers, scripting languages for client-side and server-side development, and common internet applications.