Web applications will not solve our synchronization problems Example: You want to send a mail using Yahoo Mail where you attach a document created with Google

Web applications will not solve our synchronization problems Example: You want to send a mail using Yahoo Mail where you attach a document created with Google docs. When you created that document you wanted to use an image from Flickr. That's 3 different services that needs to be synchronized. What happens when you add other web applications. When/if people move to web applications, the synchronization problem moves with them.