The term “mashup” originates in the music branch, especially from mixing songs or samples from two or more songs, lyrics or background music to produce a new soundtrack .In case of the World Wide Web, mashups are websites, web - pages, web – services or applications which combine data, information, music, geotracks from more than one source into one application, service or website. This is generally achieved by using third party application programming interfaces (API ́s) or open technologies such as Ajax, PHP or syndicated feeds like RSS or ATOM. Based on service composition in Service Oriented Architecture (SOA) concepts, mashups are flexible and dynamic services..
Web 2.0 takes us to a deeply service-oriented world, where we can exploit everyday services such as news, instant messaging and blogging via our desktops, mobile phones, PDA, BlackBerry and soon. Most of the time people are not aware of the actions “behind the scenes” in terms of the massive network of service interactions. Such services occasionally seem as if they are re - writing the existing services. In fact they are smart compositions (mashups) of the existing ones. Known as “Web application hybrid” this smart way of combining the content from more than one source into an integrated experience is called “mash up” technology. One of my favourite Mashup Websites is Neibex.com. ‘’Neibex.com” is