Mobile is the fastest growing industry and most important for brands. The document discusses mobile trends today, including over 5 billion mobile users worldwide and over 85 million iPhone users. It notes the iPad sold over 350,000 devices on its first day and over 1 million apps were downloaded. The document advocates for developing mobile apps to focus on brands, improve the user experience, and leverage unique mobile features. It provides tips for creating great apps like beautiful design, engaging content, and regular updates. An example app from Madonna demonstrates integrating services to strengthen the brand presence on mobile.