diff --git a/Example-Presentations.md b/Example-Presentations.md
index c87547a..7e53729 100644
--- a/Example-Presentations.md
+++ b/Example-Presentations.md
@@ -135,4 +135,5 @@ Feel free to edit this page and add your own presentations below:
 * [University of Leeds Library Quickstart](http://library.leeds.ac.uk/quickstart) by [Paul Cave Anna Dean and the eLearning Team, University of Leeds Library](http://www.leeds.ac.uk/vle/contact/)
 * [Getting started with IPv6](https://a.bun.ch/of/slides/ipv6-basics/) by [Urs Roesch](https://github.com/uroesch)
 * [Music in the browser](https://bitbucket.org/pan100/foredrag-musikk-i-browseren/) by [Per-Øivin Andersen](https://bitbucket.org/pan100/)
-* [A (short) introduction to graphdb: Tinkerpop family and OrientDB](https://raymanrt.github.io/graphdbs4jug) by [Riccardo Tasso](https://twitter.com/riccardotasso)
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+* [A (short) introduction to graphdb: Tinkerpop family and OrientDB](https://raymanrt.github.io/graphdbs4jug) by [Riccardo Tasso](https://twitter.com/riccardotasso)
+* [Reactive, event-driven applications on the JVM with Vert.x](http://edegier.nl/presentations/vertx-intro) by [Erwin de Gier](http://edegier.nl)
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