Inhalt: The perfect book to help you extend the functionality of your BlackBerry. Whether you're just starting out with your device or a seasoned user there's something for you here, from BlackBerry Messenger to Twitter and BIS to Facebook. Featuring: In-depth features - Your complete guide to BlackBerry. Step-by-step guides - Tutorials covering BlackBerry Maps, Messenger and much more. All the best apps - Reviews of the top apps to download from BlackBerry App World. Troubleshooting - FAQs and common problems for BlackBerry solved.