The document discusses ways that libraries can connect with patrons through mobile devices and social media. It outlines how libraries are using social networks like Facebook and Twitter to promote materials and events. It also explores location-based networks like Foursquare that allow patrons to check-in at the library. The document provides recommendations for libraries to create mobile-friendly websites and use technologies like texting, QR codes, and opening API data to interact with patrons virtually through their mobile devices.