This document discusses how networks have impacted various aspects of daily life and work. It describes popular communication tools like instant messaging, blogs, podcasts, and collaboration tools that enable instant communication. Networks allow for information sharing and collaboration, improving teaching and learning while also changing how people work and play by enabling remote communication and access. The document also outlines the basic components, role, and challenges of data networking, including devices, mediums, messages, and rules that govern network traffic. Converged networks that carry voice, video, and data are also discussed. [/SUMMARY]

1. Living in a Network Centric World Network Introduction – Lecture 1

19. Living in a Network Centric World Network Introduction – Lecture 1