The document discusses the rise of mobile technology and how libraries can adapt to patrons' increasing use of mobile devices. It notes that cell phone ownership is near universal in the US and that smartphones are the fastest growing mobile segment. It outlines common mobile phone capabilities like WiFi, GPS, and apps. The document recommends that libraries provide mobile-friendly websites with key information like hours and holdings to meet patrons' need for information anytime, anywhere. It highlights some libraries that have developed mobile websites and apps to engage mobile users.