Add a link to the apps I/O presentation from the docs.

chrome/common/extensions/docs/static/about_apps.html

Index: chrome/common/extensions/docs/static/about_apps.html
diff --git a/chrome/common/extensions/docs/static/about_apps.html b/chrome/common/extensions/docs/static/about_apps.html
index a43f9ffaea1363bd748e3f575f01f44c596da48c..2243ca5d6859f8264537b5a094ae7c063a365bad 100644
--- a/chrome/common/extensions/docs/static/about_apps.html
+++ b/chrome/common/extensions/docs/static/about_apps.html
@@ -13,16 +13,17 @@ that are much more powerful than those available to web apps.
 </p>
 
 <p>
-<iframe title="YouTube video player" width="610" height="380" src="http://www.youtube.com/embed/lBUGTVIJVfM" frameborder="0" allowfullscreen></iframe>
+<iframe title="YouTube video player" width="610" height="380" src="http://www.youtube.com/embed/lBUGTVIJVfM" frameborder="0" allowfullscreen></iframe><br>
+(for a more in-depth overview video, see the
+<a href="http://www.youtube.com/watch?v=j8oFAr1YR-0">Chrome Apps Google I/O 2012
+presentation</a>)

[mkearney1, 2012/07/24 19:12:03]

This looks and reads a little bit funny. 

Can we create a proper note at the end of this section in active voice,
something like: 

Watch the Chrome Apps Google I/O presentation for an in-depth introduction.

[Mihai Parparita -not on Chrome, 2012/07/24 23:25:08]

Done.

 </p>
 
 <p>
-With access to Chrome APIs and services
-not available to traditional web apps,
-you can build powerful apps that interact
-with network and hardware devices,
-as well as, media apps.
-Here's a short list of examples:
+Packaged apps have have access to Chrome APIs and services not available to
+traditional web sites. You can build powerful apps that interact with network
+and hardware devices, media tools, and much more. Here's a short list of
+examples:
 </p>
 
 <ul>