This document provides an overview of information architecture (IA). It discusses how IA became necessary for organizing information on the web. It outlines key areas of IA like user experience design, site structure, navigation, content design, and user research methods. Frameworks for IA like The Three Circles of Information Architecture are presented. Tools used for prototyping and community resources for IA are also mentioned. The document emphasizes that IA practitioners will become user experience designers who focus on the overall user experience across devices. It concludes by thanking the reader and providing details for following social media channels.