Google's Failed Products

Surely Google has become the super brand of internet world and it is a role model for other dot-coms that how one company can survive in the world of great competition. But, it is not all about success, even for Google. Many of its products failed or rolled-back due to some problems.
My knowledge about them was limited up to a few like: Google Answer.
But, a recent post on Famous blog “Google Blogoscoped” surprised me that there are a good number of such products. Here is link to that post:

http://blogoscoped.com/archive/2008-03-13-n25.html .

A must read entry!!!
Enjoy !