This document discusses mistakes to avoid in mobile commerce. It highlights that smartphone usage has increased dramatically in recent years and mobile traffic now accounts for over 25% of global internet usage. It emphasizes the importance of optimizing aspects like load time, usability for touchscreens, and screen size for mobile devices. The key lessons are to respect the clock by minimizing load times, respect the finger by making elements easy to tap, respect the code by using optimized input types, respect the screen size constraints, respect the community by facilitating word-of-mouth sharing, and respect the process by keeping things simple.