The document discusses improving information architecture and findability in SharePoint through better use of taxonomy and metadata. It begins by outlining SharePoint's strengths and weaknesses for information architecture. Key points made include that SharePoint 2007 lacked centralized taxonomy management and hierarchy support, while SharePoint 2010 introduced a centralized term store. The document then provides recommendations for the top 5 things to do with taxonomy and metadata in SharePoint, such as leveraging custom metadata in search and navigation, using metadata to drive content display, utilizing best bets and thesaurus features, enabling auto-tagging of content, and personalizing experiences based on user profiles.