This document provides an overview of managed metadata and taxonomies in SharePoint 2010. It discusses metadata definitions and usage scenarios, folksonomies versus formal taxonomies, taxonomy management features including term sets and tags, content type hubs for sharing across sites, and configuration considerations. The presentation includes demonstrations of tagging, term sets, and content type hubs. It provides guidance on taxonomy design regarding dynamic external tags, security, open versus closed term sets, and the role of Master Data Services.