This document discusses the evolution of human communication from early forms like cave paintings and smoke signals to modern digital communication technologies. It covers traditional print, broadcast, and outdoor media and how new digital media like the internet, social media, email and text messages have changed the media landscape. Theories of communication are also mentioned. Traditional media involves targeting large audiences through methods like TV, radio and print ads, while new media allows targeting smaller, specific audiences through channels like social media, online ads and search engine optimization at lower cost.