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diff --git a/presentation.md b/presentation.md
index c849d94..e8e01a8 100644
--- a/presentation.md
+++ b/presentation.md
@@ -26,7 +26,7 @@ math: katex
 
 <div class="title">Shifty: A Weight-Shifting Dynamic Passive Haptic Proxy
 to Enhance Object Perception in Virtual Reality</div>
-<div class="subtitle">Präsentation zum Paper von <i>A.Zenner</i> und <i>A. Krüger</i> (2017)</div>
+<div class="subtitle">Präsentation zum Paper von <i>A. Zenner</i> und <i>A. Krüger</i> (2017)</div>
 <div class="author">Romane Viton</div>
 <div class="date">2026-05-26</div>
 <div class="organization">DFI-STI, htw saar</div>
@@ -44,7 +44,9 @@ to Enhance Object Perception in Virtual Reality</div>
 ---
 # Was ist **haptisches Feedback** ?
 
-(TODO definition)
+* Nutzer:innen bekommen eine **Rückmeldung über [touch]**
+* Kann **Immersion** weiter als "nur hören oder sehen" treiben
+* Leider keine Rückmeldungen 
 
 ---
 ## TODO: Bridge between haptic feedback definition and paper methodology
@@ -64,7 +66,7 @@ to Enhance Object Perception in Virtual Reality</div>
 
 <div class="multicolumn" align="center"><div>
 
-![](./shifty-schema.png)
+![](./images/shifty-schema.png)
 
 </div><div>
 
@@ -113,7 +115,7 @@ Erfahrung mit VR|Min: 1, Max: 3, Mittelwert: 1,6 (Skala von 1 bis 7)
 
 </div><div>
 
-![bg right:50% 100%](./rahmen.png)
+![bg right:50% 100%](./images/rahmen.png)
 
 </div></div>
 
@@ -122,18 +124,19 @@ Erfahrung mit VR|Min: 1, Max: 3, Mittelwert: 1,6 (Skala von 1 bis 7)
 
 <div class="multicolumn"><div>
 
-![w:450](./length-change.png)
+![w:450](./images/length-change.png)
 
 </div><div>
 
-![h:400](./exp1results.png)
+![h:400](./images/exp1results.png)
 
 </div></div>
 
 ---
 # Experiment 1: **Analyse**
 - Alle Teilnehmer:innen haben PHF und DPHF verglichen
-- DPHF wurde konsistent höher bewertet 
+- DPHF wurde konsistent höher bewertet
+- [TODO]
 
 
 ---
@@ -141,3 +144,33 @@ Erfahrung mit VR|Min: 1, Max: 3, Mittelwert: 1,6 (Skala von 1 bis 7)
 
 ## TODO
 
+---
+## TODO rest of content
+
+---
+# Quellen
+
+## TODO add sources
+
+---
+# MarpX-Präsentation online verfügbar
+
+<div class="multicolumn"><div align="center">
+
+## PDF
+
+![](./images/pdf_qrcode.png)
+
+</div><div align="center">
+
+## HTML
+
+![](./images/html_qrcode.png)
+
+</div><div align="center">
+
+## Repository
+
+![](./images/repo_qrcode.png)
+
+</div></div>
\ No newline at end of file