docs(title): update a parenthetical comment in the title cookbook

Author: naomiblack

public/docs/ts/latest/cookbook/set-document-title.jade

@@ -26,8 +26,10 @@ code-example(format='')
   That's dirty and undermines our chances of running the app outside of a browser someday. 
 .l-sub-section
   :marked
-    That's a major Angular architectural goal. It may not seem important to us right now. 
-    But why squander that future just to set the title bar?
+    Running your app outside a browser means that you can take advantage of server-side
+    pre-rendering for near-instant first app render times and for SEO.  It means you could run from
+    inside a Web Worker to improve your app's responsiveness by using multiple threads.  And it
+    means that you could run your app inside Electron.js or Windows Universal to deliver it to the desktop.
 
 :marked
   ## Use the *Title* service