On: Google Ends Google Video Uploads, Shutters Notebook, Catalog Search, Dodgeball & Jaiku

Picasa and Blogger haven't been total failures. Urchin has spawned the very widely used Google Analytics. Writely became Google Docs. Postini still operates and has significantly lower fees now.

Google does have a pretty bad history with some acquisitions, but some have worked.

And Keyhole to the list.