Google Catalog Search was lauched in 2001 as a demonstration of a new technology called OCR, Google is now bidding it a farewell to bring more and more types of offline information such as magazines, newspapers and of course, books, online.
Google will discontinue support for uploads to Google Video in next few months. Don't worry, we're not removing any content hosted on Google Video -- this just means you will no longer be able to upload new content to the service."
Google Notebook is also about to be discontinued. "Starting next week, we plan to stop active development on Google Notebook. This means we'll no longer be adding features or offer Notebook for new users. But don't fret, we'll continue to maintain service for those of you who've already signed up."
Jaiku, the microblogging service acquired by Google, will migrate to Google App Engine and will no longer be actively developed. While Google will no longer actively develop the Jaiku codebase, the service itself will live on thanks to a dedicated and passionate volunteer team of Googlers.
Other services that’ll be discontinued include: Dodgeball, a mobile social network acquired by Google in 2005 that stagnated after its founders left Google, and Mapshup Editor, a project that will be replaced by the more powerful Google App Engine.