Hello Out There! Making a Network-Enabled Application
Robert Kao, Dante Sarigumba, Anthony Rizk, Kevin Michaluk · Apress eBooks · 2011
The BlackBerry was built to communicate. Sending and receiving e-mail, browsing the Web, and often even downloading applications to your device requires access to the wireless data network. Naturally, many of the most compelling BlackBerry applications also heavily feature networking as a core part of their functionalities.