This document summarizes a presentation by Richard Wallis on discovery and discoverability. It introduces Schema.org as a vocabulary for structured data on the web and its use by major organizations like Google, OCLC, and the Library of Congress. It discusses motivations for sharing bibliographic data on the web using Schema.org, including connecting library data and reaching users. Key initiatives are summarized, such as the Schema Bib Extend community group, BiblioGraph.net extension vocabulary, and the bib.schema.org hosted extension.