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On the server-side, Web 2.0 uses many of the same technologies as Web 1.0. Languages such asPHP, Ruby, Perl, Python, as well as Enterprise Java (J2EE) and Microsoft.NET Framework, are used by developers to output data dynamically using information from files and databases. This allows websites and web services to share machine readable formats such as XML (Atom, RSS, etc.) andJSON. When data is available in one of these formats, another website can use it to integrate a portion of that site's functionality