diff --git a/content/post/datengarten_22.md b/content/post/datengarten_22.md
index 7aaa9c1..549391d 100644
--- a/content/post/datengarten_22.md
+++ b/content/post/datengarten_22.md
@@ -5,7 +5,7 @@ title: "Datengarten 22"
 no: 22
 subtitle: "voicemail und telefonsysteme: was erwartet euch?"
 speaker: t
-speaker_url: "t@cbase.org"
+speaker_url: "mailto:t@cbase.org"
 location: CCCB
 date: 2006-02-02T00:00:00+02:00
 event_date: 2006-02-02T20:00:00+02:00
diff --git a/content/post/datengarten_24.md b/content/post/datengarten_24.md
index e7d85a5..808d3ce 100644
--- a/content/post/datengarten_24.md
+++ b/content/post/datengarten_24.md
@@ -7,9 +7,11 @@ subtitle: "Retrocomputing oder: Wie waren Computer früher?"
 speaker: Dexter
 language: Deutsch
 location: CCCB
-date: 2006-12-10T00:00:00+02:00
-event_date: 2006-12-10T20:00:00+02:00
+date: 2006-10-12T00:00:00+02:00
+event_date: 2006-10-12T20:00:00+02:00
+streaming: false
 ---
+{{< datengarten-infobox >}}
 
 Zusammenfassung
 ---------------
diff --git a/content/post/datengarten_25.md b/content/post/datengarten_25.md
index 8fbbf85..195c580 100644
--- a/content/post/datengarten_25.md
+++ b/content/post/datengarten_25.md
@@ -1,8 +1,11 @@
 ---
+categories: ["Datengarten"]
+series: "Datengarten"
 title: "Datengarten 25"
+no: 25
 subtitle: "Chipkarten oder: Die Welt ist ein Rechteck und hat Goldkontakte"
-date: 2006-07-12T00:00:00+02:00
-event_date: 2006-07-12T20:00:00+02:00
+date: 2006-12-07T00:00:00+02:00
+event_date: 2006-12-07T20:00:00+02:00
 location: CCCB
 speaker: Dexter
 language: Deutsch
diff --git a/content/post/datengarten_26.md b/content/post/datengarten_26.md
index 4394884..45d3b8b 100644
--- a/content/post/datengarten_26.md
+++ b/content/post/datengarten_26.md
@@ -1,4 +1,7 @@
 ---
+categories: ["Datengarten"]
+series: "Datengarten"
+no: 26
 title: "Datengarten 26"
 subtitle: "Microcontroller - kleine Computer"
 date: 2007-07-05T00:00:00+02:00
diff --git a/content/post/datengarten_27.md b/content/post/datengarten_27.md
index 27a3683..86c426d 100644
--- a/content/post/datengarten_27.md
+++ b/content/post/datengarten_27.md
@@ -1,4 +1,7 @@
 ---
+categories: ["Datengarten"]
+series: "Datengarten"
+no: 27
 title: "Datengarten 27"
 subtitle: "The Incredible Dirty Bomb Hoax oder: warum wir dringend eine bemannte Marsmission brauchen"
 date: 2008-09-18T00:00:00+02:00
diff --git a/content/post/datengarten_28.md b/content/post/datengarten_28.md
index 04e6b49..1da429d 100644
--- a/content/post/datengarten_28.md
+++ b/content/post/datengarten_28.md
@@ -1,4 +1,7 @@
 ---
+categories: ["Datengarten"]
+series: "Datengarten"
+no: 28
 title: "Datengarten 28"
 subtitle: "Weltraummedizinforschung"
 date: 2008-10-16T00:00:00+02:00
diff --git a/content/post/datengarten_29.md b/content/post/datengarten_29.md
index 3e7cc2a..4623550 100644
--- a/content/post/datengarten_29.md
+++ b/content/post/datengarten_29.md
@@ -1,4 +1,7 @@
 ---
+categories: ["Datengarten"]
+series: "Datengarten"
+no: 29
 title: "Datengarten 29"
 subtitle: "Solarsegler"
 date: 2008-11-27T00:00:00+02:00
diff --git a/content/post/datengarten_30.md b/content/post/datengarten_30.md
index e1a70e8..7908976 100644
--- a/content/post/datengarten_30.md
+++ b/content/post/datengarten_30.md
@@ -1,4 +1,7 @@
 ---
+categories: ["Datengarten"]
+series: "Datengarten"
+no: 30
 title: "Datengarten 30"
 subtitle: "Hack the system"
 date: 2009-02-26T00:00:00+02:00
diff --git a/content/post/datengarten_31.md b/content/post/datengarten_31.md
index e0c9670..3a4b9e5 100644
--- a/content/post/datengarten_31.md
+++ b/content/post/datengarten_31.md
@@ -1,4 +1,7 @@
 ---
+categories: ["Datengarten"]
+series: "Datengarten"
+no: 31
 title: "Datengarten 31"
 subtitle: "Dem Compiler beim Optimieren zuschauen"
 date: 2009-06-25T00:00:00+02:00
diff --git a/content/post/datengarten_32.md b/content/post/datengarten_32.md
index b300dcd..9d98fe2 100644
--- a/content/post/datengarten_32.md
+++ b/content/post/datengarten_32.md
@@ -1,4 +1,7 @@
 ---
+categories: ["Datengarten"]
+series: "Datengarten"
+no: 32
 title: "Datengarten 32"
 subtitle: "Liquid Democracy"
 date: 2018-09-03T00:00:00+02:00
diff --git a/content/post/datengarten_33.md b/content/post/datengarten_33.md
index aa40f9e..bcdd021 100644
--- a/content/post/datengarten_33.md
+++ b/content/post/datengarten_33.md
@@ -1,4 +1,7 @@
 ---
+categories: ["Datengarten"]
+series: "Datengarten"
+no: 33
 title: "Datengarten 33"
 subtitle: "Opentracker: Hochperformance-Technologie und das Schaffen von Netzrealitäten als Politikform "
 date: 2009-10-08T00:00:00+02:00
diff --git a/content/post/datengarten_34.md b/content/post/datengarten_34.md
index 21ffb20..11e9e84 100644
--- a/content/post/datengarten_34.md
+++ b/content/post/datengarten_34.md
@@ -1,4 +1,7 @@
 ---
+categories: ["Datengarten"]
+series: "Datengarten"
+no: 34
 title: "Datengarten 34"
 subtitle: "The social web"
 date: 2009-10-22T00:00:00+02:00
diff --git a/content/post/datengarten_35.md b/content/post/datengarten_35.md
index 04e7b17..e6b4010 100644
--- a/content/post/datengarten_35.md
+++ b/content/post/datengarten_35.md
@@ -1,4 +1,7 @@
 ---
+categories: ["Datengarten"]
+series: "Datengarten"
+no: 35
 title: "Datengarten 35"
 subtitle: "Stalker - das Buch, der Film, das Game, der Mensch"
 date: 2009-11-05T00:00:00+02:00
diff --git a/content/post/datengarten_36.md b/content/post/datengarten_36.md
index 92fab3c..713ce12 100644
--- a/content/post/datengarten_36.md
+++ b/content/post/datengarten_36.md
@@ -1,4 +1,7 @@
 ---
+categories: ["Datengarten"]
+series: "Datengarten"
+no: 36
 title: "Datengarten 36"
 subtitle: "Hack the wiki"
 date: 2010-03-11T00:00:00+02:00
diff --git a/content/post/datengarten_37.md b/content/post/datengarten_37.md
index e6ae958..c3a039a 100644
--- a/content/post/datengarten_37.md
+++ b/content/post/datengarten_37.md
@@ -1,4 +1,6 @@
 ---
+categories: ["Datengarten"]
+series: "Datengarten"
 title: "Datengarten 37"
 no: 37
 subtitle: "Embedded analysis workshop 2011 (Part I)"
diff --git a/content/post/datengarten_38.md b/content/post/datengarten_38.md
index d9969ce..1d13518 100644
--- a/content/post/datengarten_38.md
+++ b/content/post/datengarten_38.md
@@ -1,4 +1,6 @@
 ---
+categories: ["Datengarten"]
+series: "Datengarten"
 title: "Datengarten 38"
 no: 38
 subtitle: "Embedded Analysis Workshop (Part II)"
diff --git a/content/post/datengarten_39.md b/content/post/datengarten_39.md
index 8b7d45f..52530c2 100644
--- a/content/post/datengarten_39.md
+++ b/content/post/datengarten_39.md
@@ -1,4 +1,6 @@
 ---
+categories: ["Datengarten"]
+series: "Datengarten"
 title: "Datengarten 39"
 no: 39
 subtitle: "Cubesat Projekt GLORIA"
diff --git a/content/post/datengarten_40.md b/content/post/datengarten_40.md
new file mode 100644
index 0000000..a1dc6f2
--- /dev/null
+++ b/content/post/datengarten_40.md
@@ -0,0 +1,14 @@
+---
+categories: ["Datengarten"]
+series: "Datengarten"
+title: "Datengarten 40"
+no: 40
+subtitle: "Elektronische Wahlverfahren"
+date: 2012-08-02T00:00:00+02:00
+event_date: 2012-08-02T20:00:00+02:00
+location: CCCB
+speaker: conz
+language: Deutsch
+streaming: false
+---
+{{< datengarten-infobox >}}
diff --git a/content/post/datengarten_41.md b/content/post/datengarten_41.md
index d8b0d84..99629ee 100644
--- a/content/post/datengarten_41.md
+++ b/content/post/datengarten_41.md
@@ -1,4 +1,6 @@
 ---
+categories: ["Datengarten"]
+series: "Datengarten"
 title: "Datengarten 41"
 no: 41
 subtitle: "Wikidata"
diff --git a/content/post/datengarten_42.md b/content/post/datengarten_42.md
index 19a6041..049b18d 100644
--- a/content/post/datengarten_42.md
+++ b/content/post/datengarten_42.md
@@ -1,4 +1,6 @@
 ---
+categories: ["Datengarten"]
+series: "Datengarten"
 title: "Datengarten 42"
 no: 42
 subtitle: "Open Source Robotics"
diff --git a/content/post/datengarten_43.md b/content/post/datengarten_43.md
index a6e1612..5a760a1 100644
--- a/content/post/datengarten_43.md
+++ b/content/post/datengarten_43.md
@@ -1,4 +1,6 @@
 ---
+categories: ["Datengarten"]
+series: "Datengarten"
 title: "Chaosradio 43"
 no: 43
 subtitle: "Chaos Macht Schule Berlin"
diff --git a/content/post/datengarten_44.md b/content/post/datengarten_44.md
index 6a37795..a79672a 100644
--- a/content/post/datengarten_44.md
+++ b/content/post/datengarten_44.md
@@ -1,4 +1,6 @@
 ---
+categories: ["Datengarten"]
+series: "Datengarten"
 title: "Datengarten 44"
 no: 44
 subtitle: "CanSat"
diff --git a/content/post/datengarten_45.md b/content/post/datengarten_45.md
index 316b09d..2657040 100644
--- a/content/post/datengarten_45.md
+++ b/content/post/datengarten_45.md
@@ -1,9 +1,11 @@
 ---
+categories: ["Datengarten"]
+series: "Datengarten"
 title: Datengarten 45
 no: 45
 subtitle: "Aaadhaar: What kind of 'database state' is the Indian government creating?"
-date: 2018-05-20T00:00:00+02:00
-event_date: 2018-05-20T20:00:00+02:00
+date: 2015-07-04T00:00:00+02:00
+event_date: 2014-07-04T20:00:00+02:00
 location: CCCB
 speaker: Sumandro Chattapadhyay
 language: Englisch
diff --git a/content/post/datengarten_46.md b/content/post/datengarten_46.md
index 40cfcfb..2f50089 100644
--- a/content/post/datengarten_46.md
+++ b/content/post/datengarten_46.md
@@ -1,4 +1,7 @@
 ---
+categories: ["Datengarten"]
+series: "Datengarten"
+no: 46
 title: "Datengarten 46"
 subtitle: "CITIZENFOUR"
 date: 2015-02-03T00:00:00+02:00
diff --git a/content/post/datengarten_47.md b/content/post/datengarten_47.md
index 3958605..d5b18a8 100644
--- a/content/post/datengarten_47.md
+++ b/content/post/datengarten_47.md
@@ -1,4 +1,6 @@
 ---
+categories: ["Datengarten"]
+series: "Datengarten"
 title: "Datengarten 47"
 no: 47
 subtitle: "3D Druck - eine Einführung"
diff --git a/content/post/datengarten_48.md b/content/post/datengarten_48.md
index cc76fcc..51bc841 100644
--- a/content/post/datengarten_48.md
+++ b/content/post/datengarten_48.md
@@ -1,4 +1,6 @@
 ---
+categories: ["Datengarten"]
+series: "Datengarten"
 title: "Datengarten 48"
 no: 48
 subtitle: "Transport Layer Security (TLS)"
diff --git a/content/post/datengarten_49.md b/content/post/datengarten_49.md
index 4f1e616..01e122f 100644
--- a/content/post/datengarten_49.md
+++ b/content/post/datengarten_49.md
@@ -1,4 +1,6 @@
 ---
+categories: ["Datengarten"]
+series: "Datengarten"
 title: "Datengarten 49"
 no: 49
 subtitle: "No more secrets: Biometrie hacken"
diff --git a/content/post/datengarten_50.md b/content/post/datengarten_50.md
index 79d02b5..2d0f2cb 100644
--- a/content/post/datengarten_50.md
+++ b/content/post/datengarten_50.md
@@ -1,4 +1,6 @@
 ---
+categories: ["Datengarten"]
+series: "Datengarten"
 title: "Datengarten 50"
 no: 50
 subtitle: "ZigBee"
diff --git a/content/post/datengarten_51.md b/content/post/datengarten_51.md
index d9d5bc4..6524ef8 100644
--- a/content/post/datengarten_51.md
+++ b/content/post/datengarten_51.md
@@ -1,4 +1,6 @@
 ---
+categories: ["Datengarten"]
+series: "Datengarten"
 title: "Datengarten 51"
 no: 51
 subtitle: "Puppet … Konfigurationsmanagement"
diff --git a/content/post/datengarten_52.md b/content/post/datengarten_52.md
index f813aad..5641025 100644
--- a/content/post/datengarten_52.md
+++ b/content/post/datengarten_52.md
@@ -1,4 +1,6 @@
 ---
+categories: ["Datengarten"]
+series: "Datengarten"
 title: "Datengarten 52"
 no: 52
 subtitle: "Reproducible Builds"
diff --git a/content/post/datengarten_53.md b/content/post/datengarten_53.md
index 46825a2..f8bd48e 100644
--- a/content/post/datengarten_53.md
+++ b/content/post/datengarten_53.md
@@ -1,4 +1,6 @@
 ---
+categories: ["Datengarten"]
+series: "Datengarten"
 title: "Datengarten 53"
 no: 53
 subtitle: "Little big data"
diff --git a/content/post/datengarten_54.md b/content/post/datengarten_54.md
index c427169..73d2bd6 100644
--- a/content/post/datengarten_54.md
+++ b/content/post/datengarten_54.md
@@ -1,4 +1,6 @@
 ---
+categories: ["Datengarten"]
+series: "Datengarten"
 title: "Datengarten 54"
 no: 54
 subtitle: "Das Internet hinter Eurem DSL Modem"
diff --git a/content/post/datengarten_55.md b/content/post/datengarten_55.md
index d051818..00bf093 100644
--- a/content/post/datengarten_55.md
+++ b/content/post/datengarten_55.md
@@ -1,4 +1,6 @@
 ---
+categories: ["Datengarten"]
+series: "Datengarten"
 title: "Datengarten 55"
 no: 55
 subtitle: "Technology and data use among vulnerable communities"
diff --git a/content/post/datengarten_56.md b/content/post/datengarten_56.md
index a4c7078..d255709 100644
--- a/content/post/datengarten_56.md
+++ b/content/post/datengarten_56.md
@@ -1,5 +1,8 @@
 ---
+categories: ["Datengarten"]
+series: "Datengarten"
 title: "Datengarten 56"
+no: 56
 subtitle: "Hands-on Rad1o"
 date: 2015-09-08T00:00:00+02:00
 event_date: 2015-09-08T20:00:00+02:00
@@ -11,14 +14,10 @@ recording: https://media.ccc.de/v/dg56-Hands-on_Rad1o
 ---
 {{< datengarten-infobox >}}
 
-Der Datengarten 56 widmet sich voll und ganz dem Rad1o\[0\] Badge vom
-CCCamp 2015\[1\]. schneider, einer der Entwickler des Rad1os vom Chaos
-Computer Club München\[2\] (MUC), führt durch den Abend und
-demonstriert, was man mit dem Rad1o jetzt schon so basteln kann, an was
-für konkreten Projekten gearbeitet wird und welche wünschenswert wären.
-
-Der Vortrag findet in deutsch statt.
-
-\[0\]: <https://rad1o.badge.events.ccc.de/>
-\[1\]: <https://events.ccc.de/camp/2015/wiki/Main_Page>
-\[2\]: <https://muc.ccc.de/>
+Der Datengarten 56 widmet sich voll und ganz dem
+[Rad1o](https://rad1o.badge.events.ccc.de/) Badge vom [CCCamp
+2015](https://events.ccc.de/camp/2015/wiki/Main_Page). schneider, einer der
+Entwickler des Rad1os vom Chaos [Computer Club München](https://muc.ccc.de/)
+(MUC), führt durch den Abend und demonstriert, was man mit dem Rad1o jetzt
+schon so basteln kann, an was für konkreten Projekten gearbeitet wird und
+welche wünschenswert wären.
diff --git a/content/post/datengarten_57.md b/content/post/datengarten_57.md
index 4f1631b..7887bb8 100644
--- a/content/post/datengarten_57.md
+++ b/content/post/datengarten_57.md
@@ -1,5 +1,8 @@
 ---
+categories: ["Datengarten"]
+series: "Datengarten"
 title: "Datengarten 57 Spezial"
+no: 57
 subtitle: "From Secret Manoeuvres to Undercover Research"
 date: 2015-09-28T00:00:00+02:00
 event_date: 2015-09-28T20:00:00+02:00
diff --git a/content/post/datengarten_58.md b/content/post/datengarten_58.md
index 7d6913d..585844e 100644
--- a/content/post/datengarten_58.md
+++ b/content/post/datengarten_58.md
@@ -1,5 +1,8 @@
 ---
+categories: ["Datengarten"]
+series: "Datengarten"
 title: "Datengarten 58"
+no: 58
 subtitle: "Circumvent WPA2"
 date: 2015-10-13T00:00:00+02:00
 event_date: 2015-10-13T20:00:00+02:00
diff --git a/content/post/datengarten_59.md b/content/post/datengarten_59.md
index 945f74c..ee8a2a2 100644
--- a/content/post/datengarten_59.md
+++ b/content/post/datengarten_59.md
@@ -1,8 +1,11 @@
 ---
+categories: ["Datengarten"]
+series: "Datengarten"
 title: "Datengarten 59"
+no: 59
 subtitle: "Coreboot"
-date: 2015-09-10T00:00:00+02:00
-event_date: 2015-09-10T20:00:00+02:00
+date: 2015-11-10T00:00:00+02:00
+event_date: 2015-11-10T20:00:00+02:00
 location: CCCB
 speaker: lynxis
 language: Deutsch
diff --git a/content/post/datengarten_60.md b/content/post/datengarten_60.md
index ed82667..1329be8 100644
--- a/content/post/datengarten_60.md
+++ b/content/post/datengarten_60.md
@@ -1,5 +1,8 @@
 ---
+categories: ["Datengarten"]
+series: "Datengarten"
 title: "Datengarten 60"
+no: 60
 subtitle: "NinjaPCR"
 date: 2015-11-17T00:00:00+02:00
 event_date: 2015-11-17T20:00:00+02:00