go.talks: add video link slides

R=golang-dev, iant
CC=golang-dev
https://golang.org/cl/7206050
diff --git a/2012/chat.slide b/2012/chat.slide
index e723167..d24936b 100644
--- a/2012/chat.slide
+++ b/2012/chat.slide
@@ -6,6 +6,12 @@
 @enneff
 http://golang.org
 
+* Video
+
+A video of this talk was recorded at Øredev in Malmö, Sweden in November 2012.
+
+.link http://vimeo.com/53221560 Watch the talk on Vimeo
+
 * Go
 
 You may have heard of Go.
diff --git a/2012/concurrency.slide b/2012/concurrency.slide
index 4da9c8a..7008afd 100644
--- a/2012/concurrency.slide
+++ b/2012/concurrency.slide
@@ -8,6 +8,12 @@
 @rob_pike
 http://golang.org
 
+* Video
+
+This talk was presented at Google I/O in June 2012.
+
+.link http://www.youtube.com/watch?v=f6kdp27TYZs Watch the talk on YouTube
+
 * Introduction
 
 * Concurrency features in Go
diff --git a/2012/simple.slide b/2012/simple.slide
index a0a9416..c734cc5 100644
--- a/2012/simple.slide
+++ b/2012/simple.slide
@@ -17,6 +17,12 @@
 adg@golang.org
 http://golang.org
 
+* Video
+
+A video of this talk was recorded at Øredev in Malmö, Sweden in November 2012.
+
+.link http://vimeo.com/53221558 Watch the talk on Vimeo
+
 * Background
 
 * Why a new language?
diff --git a/2012/waza.slide b/2012/waza.slide
index b574eef..b9e5c61 100644
--- a/2012/waza.slide
+++ b/2012/waza.slide
@@ -8,6 +8,12 @@
 Rob Pike
 r@golang.org
 
+* Video
+
+This talk was presented at Heroku's Waza conference in January 2012.
+
+.link http://vimeo.com/49718712 Watch the talk on Vimeo
+
 * The modern world is parallel
 
 Multicore.
@@ -444,4 +450,4 @@
 Concurrent power series (McIlroy): tinyurl.com/powser
 
 And finally, parallel but not concurrent:
-research.google.com/archive/sawzall.html
\ No newline at end of file
+research.google.com/archive/sawzall.html