Recent developments in modern computing and wireless networks allow mobile devices to
be connected to the Internet regardless of their physical location. These mobile devices,
such as smart phones and PDAs, have turned into powerful multimedia units allowing users
to become producers of rich media content. This latest development contributes to the ever-
growing amount of digital material existing on the World Wide Web, and at the same time
creates a new information landscape that combines content coming from both, the wired and …