Heard that before? Well yes, that’s Google’s punch line when it started.
This article might describe how exactly they are following this up to their collars: http://blog.opendns.com/2007/05/22/google-turns-the-page/
In addition to taking over the control of the default behavior of pre-installed software on your machine, they make it super hard, for you to get rid of it. Unless of course you plan to go ahead and re-image your machine.
Ever used Google Desktop, and are worried about deleting a letter from your beloved? Worry no more, because Google can recover that for you in just a second. In addition to that, it would also recover the copies of your attachments from your mailbox, some of the irritating spam from your outlook or any other mailbox that you accessed on the machine, or any remote document that you happened to save even once on your machine. Well, add to that all, all these things are gone forever to their servers, along with data about how you use these information.
This is not a problem as of now, but then over the time, we can only imagine.
Do No Evil !!!