Hello,
The Wolfram|Alpha Developer Team would like to announce an extension
which enables embedding Wolfram|Alpha Widgets in MediaWiki pages.
Wolfram|Alpha Widgets are mini-apps built on top of Wolfram|Alpha queries.
The extension page is here:
http://www.mediawiki.org/wiki/Extension:WolframAlphaWidgets
The Wolfram|Alpha Widgets site is here:
http://developer.wolframalpha.com/widgets/