diff --git a/Example-Presentations.md b/Example-Presentations.md
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 * [Amazon Dynamo und Riak (german)](bastinat0r.de/presi) by [bastinat0r](https://github.com/bastinat0r)
 * [D3.js 101: A Technical Intro](http://scottcheng.github.com/d3js-101/) by [Scott Cheng](http://scottcheng.com/)
 * [Resume 'Revealed'](http://david.coullet.info) by [@Joshu42](https://github.com/joshu42)
-* [Presentations for Programmers](http://marcduiker.azurewebsites.net/presentations/presentations%20for%20programmers.html#/) by [@marcduiker]
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+* [Presentations for Programmers](http://marcduiker.azurewebsites.net/presentations/presentations%20for%20programmers.html#/) by [@marcduiker](http://twitter.com/@marcduiker)
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