The document traces the evolution of the internet from its origins in the 1960s as a small network connecting researchers to its current state, where over 4 billion people worldwide have access and 26.66 billion devices are connected. Key developments included linking networks together, the creation of email, the invention of HTML allowing for the world wide web, and the advent of wireless technologies enabling mobile internet access. These advances have revolutionized how people live, work, learn and connect globally on a daily basis.