Announced this week by the Getty Standards Program, Version 2.0 of Introduction to Metadata: Pathways to Digital Information has been placed online in its entirety. This revised version includes updated essays and a new piece on metadata "crosswalks." The crosswalk of metadata standards from version 1.0 (including MARC, Dublin Core, CDWA, Object ID, and the CIMI schema) has been updated and four additional added. Also included are a glossary and list of hyperlinked acronyms. All sections of the book are available in both HTML and .pdf format.