This document summarizes several theories about how audiences interact with and are influenced by media: 1) The Hypodermic Needle Theory suggests that media can directly influence audience opinions and feelings if presented in a certain way using imagery and context. 2) Uses and Gratifications Theory explains why audiences consume certain media to fulfill needs like diversion, social interaction, identity exploration, and information gathering. 3) Cultivation Theory proposes that heavy, long-term exposure to certain media portrayals can influence audiences' beliefs about social reality. However, it is difficult to prove this effect on individuals. 4) Two Step Flow Theory describes how media messages are filtered through opinion leaders in social groups before reaching a