This document discusses the different purposes and styles of documentaries. It explains that documentaries can be informative by providing facts about a topic to educate audiences. They can also be persuasive by manipulating footage to influence viewers' perceptions. Documentaries may raise awareness of issues by using interviews and statistics to make audiences more informed. An investigative style focuses on getting to the bottom of issues by using interviews and evidence. Some documentaries are meant solely for entertainment through dramatization or strong narratives. The preferred style for a social media addiction documentary would be investigative as it is entertaining and provides facts to support conclusions and educate audiences on the root causes.