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

Also fix an overly long sentence.

R=mkearney@chromium.org

Review URL: https://chromiumcodereview.appspot.com/10790111

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@149009 0039d316-1c4b-4281-b951-d872f2087c98

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

@@ -197,18 +197,20 @@ that are much more powerful than those available to web apps.
 <iframe title="YouTube video player" width="610" height="380" src="http://www.youtube.com/embed/lBUGTVIJVfM" frameborder="0" allowfullscreen=""></iframe>
 </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>
 	<li>Shells (VMWare, Citrix, SSH, RDP or VNC clients)</li>
 	<li>Music/video streaming</li>
 	<li>Photo/video/music editing</li>
 </ul>
+<p>
+Watch the <a href="http://www.youtube.com/watch?v=j8oFAr1YR-0">Chrome Apps
+Google I/O presentation</a> for an in-depth introduction.
+</p>
 <h2 id="look">How they look</h2>
 <p>
 When a user opens a packaged app,

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

@@ -17,12 +17,10 @@ that are much more powerful than those available to web apps.
 </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>
@@ -31,6 +29,11 @@ Here's a short list of examples:
 	<li>Photo/video/music editing</li>
 </ul>
 
+<p>
+Watch the <a href="http://www.youtube.com/watch?v=j8oFAr1YR-0">Chrome Apps
+Google I/O presentation</a> for an in-depth introduction.
+</p>
+
 <h2 id="look">How they look</h2>
 
 <p>