This document discusses how libraries can optimize their mobile presence with minimal resources. It recommends developing a responsive website that automatically adapts to different screen sizes, rather than separate mobile sites. The document outlines options like using pre-fabricated responsive templates, retrofitting an existing site, or building a new one. It provides tips on usability testing, ADA compliance, and promoting services through QR codes and social media. The goal is to make key library resources accessible on any mobile device with a minimal investment of time and expertise.