
Under the hood, a Mashup is constructed from live data sources around the Net which are manipulated and mixed together with other information, producing a unique blend of facts and knowledge.
While using more than one data source for constructing an application is not a novel approach, reusing data sources from around the web was not as straightforward as it is today, a process that has giving way to the Mashup technique.
Read further on : How do you benefit from using a Mashup ?