What are location based services and how does this relate to SVG Mobile?
One of the key differences between desktop and mobile uses of SVG is that mobile devices, as the name implies, move from place to place. Because of their small size and weight, they are used in a wide variety of places where a desktop or laptop computer would be inconvenient. The geographical location of the device can be determined by various means, ranging from Global Positioning System (GPS) satelites to triangulation of cellphone signals, and this information can them be used to affect the graphical display. The most familiar example of a location-aware device is probably an in-car navigation system. Because SVG files are XML, they can contain XML in other namespaces, such as various types of metadata. As an example of such metadata, SVG which visually represents a map can contain XML metadata describig the geographical area depicted and the coordinate system used to make a flat map from a portion of the earths curved surface. Combining this information with the location of the mob
