diff --git a/Makefile b/Makefile
index 5d0dd72..11d5db7 100644
--- a/Makefile
+++ b/Makefile
@@ -111,15 +111,15 @@ optimize-images:
 deploy: build
 	@echo "Deploying slides..."
 	@echo "Copying HTML files..."
-	scp $(BUILD_DIR)/*.html tengo@tuttle.uberspace.de:/home/tengo/html/hdm/223015b/
+	scp $(BUILD_DIR)/*.html netcup:/srv/libretech-static/decks/hdm/223015b/
 	@echo "Copying assets..."
-	scp -r $(BUILD_DIR)/assets/ tengo@tuttle.uberspace.de:/home/tengo/html/hdm/223015b/
+	scp -r $(BUILD_DIR)/assets/ netcup:/srv/libretech-static/decks/hdm/223015b/
 	@echo "Copying materials..."
-	scp -r $(BUILD_DIR)/materials/ tengo@tuttle.uberspace.de:/home/tengo/html/hdm/223015b/ 2>/dev/null || true
+	scp -r $(BUILD_DIR)/materials/ netcup:/srv/libretech-static/decks/hdm/223015b/ 2>/dev/null || true
 
 # Deploy HTML only (faster, no PDF rebuild)
 deploy-html: html
 	@echo "Deploying HTML only..."
-	scp $(BUILD_DIR)/*.html tengo@tuttle.uberspace.de:/home/tengo/html/hdm/223015b/
-	scp -r $(BUILD_DIR)/assets/ tengo@tuttle.uberspace.de:/home/tengo/html/hdm/223015b/
-	scp -r $(BUILD_DIR)/materials/ tengo@tuttle.uberspace.de:/home/tengo/html/hdm/223015b/ 2>/dev/null || true
+	scp $(BUILD_DIR)/*.html netcup:/srv/libretech-static/decks/hdm/223015b/
+	scp -r $(BUILD_DIR)/assets/ netcup:/srv/libretech-static/decks/hdm/223015b/
+	scp -r $(BUILD_DIR)/materials/ netcup:/srv/libretech-static/decks/hdm/223015b/ 2>/dev/null || true
diff --git a/slides/2025-12-19-termin-1-grundlagen-text-audio.md b/slides/2025-12-19-termin-1-grundlagen-text-audio.md
index 3479fc0..be17776 100644
--- a/slides/2025-12-19-termin-1-grundlagen-text-audio.md
+++ b/slides/2025-12-19-termin-1-grundlagen-text-audio.md
@@ -42,6 +42,12 @@ code {
 a {
   color: var(--color-highlight);
 }
+section.klausur {
+  background: #e3f2fd !important;
+}
+section.klausur footer {
+  display: none;
+}
 </style>
 
 <!-- _class: invert -->
@@ -254,9 +260,8 @@ Eselsbrücke: "Kilo Mega Giga Tera Peta Exa Zetta Yotta"
 | **100.000 v. Chr.** | 0 | Erste Menschen, nur Sprache |
 | **3.000 v. Chr.** | ~wenige KB | Keilschrift, Hieroglyphen |
 | **1450** | ~wenige GB | Gutenberg, Buchdruck |
-| **1986** | **2,6 EB** | Analog (Bücher, Vinyl, Film) |
-| **2007** | **295 EB** | Beginn digitale Dominanz |
-| **2017** | **19 ZB** | Analog kaum gewachsen |
+| **1986** | **2,6 EB** | 99% analog (Bücher, Vinyl, VHS) |
+| **2007** | **295 EB** | 94% digital |
 | **2025** | **181 ZB** | 90% unstrukturiert |
 
 <!--
@@ -270,6 +275,32 @@ Digital explodierte: IoT, Social Media, Cloud, Video
 
 ---
 
+<!-- _class: klausur -->
+<!-- _footer: '' -->
+
+# Der digitale Wendepunkt (Hilbert-Studie)
+
+| Jahr | Analog | Digital | Digital-Anteil |
+|------|--------|---------|----------------|
+| **1986** | 2,57 EB | 0,02 EB | **1%** |
+| **2000** | ~37 EB | ~13 EB | 25% |
+| **2002** | — | — | **50%** (Wendepunkt) |
+| **2007** | ~18 EB | ~277 EB | **94%** |
+
+**Beobachtung:** Analog blieb nahezu konstant (~2,6 → ~18 EB)
+Digital explodierte: ×14.000 in 21 Jahren
+
+<!--
+Hilbert & López (2011): "The World's Technological Capacity to Store, Communicate, and Compute Information", Science
+Erste systematische Studie zur weltweiten Speicherkapazität
+60 analoge und digitale Technologien untersucht (1986-2007)
+2002 = Beginn des "digitalen Zeitalters"
+Analog: Bücher, Zeitungen, Vinyl, VHS, Fotos
+Digital: Festplatten, CDs, DVDs, Flash-Speicher
+-->
+
+---
+
 # 181 Zettabyte – Was bedeutet das?
 
 **2025:** Welt erzeugt **181 ZB** pro Jahr