This document provides an introduction and overview of Palm Developer Day, which is taking place on April 29, 2010. It discusses the HTML5 features and JavaScript services being added to webOS, such as accelerated CSS animations, geolocation support, and a SQL database called db8. It also outlines the Palm App Catalog for distributing web apps and a $1 million fund for the most downloaded apps. Developers are encouraged to contact the Palm developer relations team for any other questions.