This document discusses various digital tools that can be used in a 21st century library and their connections to curriculum standards. It describes infographics and how they can be used for persuasive writing, research citations, and earth science. It also outlines video tools like Animoto that align with standards in English, family life, and world history. QR codes and augmented reality tools like Aurasma are presented as being applicable to algebra, biology, and English standards. Finally, audio tools such as Vocaroo, Voki and Blabberize are linked to standards in English, foreign language, and physics.