This document discusses how libraries can insert themselves into the mobile sharing economy by leveraging patrons and resources. It suggests building a larger book sharing model and tapping patrons to host programs and services. This would allow libraries to share connections and resources across a larger patron base. Topics covered include how ridesharing led to the sharing economy, crowd-sourcing content from patrons, and determining methods of delivery for shared resources. Examples provided include library makerspaces, tool libraries, seed libraries, and sharing excess items. The document emphasizes that trust is key to success in the sharing economy.