Mapping a revolution with 'mashups' | CNET News.com

Mapping a revolution with 'mashups' | CNET News.com: "The term 'mashup' was first used in pop music when artists and DJs began playing two songs simultaneously. In technology, it refers to a Web site or application that combines content from multiple sources but appears seamless upon use. Although used for various software, mashups became an unparalleled phenomenon in digital cartography because of the relatively easy ability to overlay all types of data on an online map with tools from such companies as Google and Amazon."