I was wondering why they chose to switch to Yahoo in the first place. The answer is at [https://lists.ubuntu.com/archives/ubuntu-desktop/2010-January/002396.htm

I was wondering why they chose to switch to Yahoo in the first place. The answer is at [https://lists.ubuntu.com/archives/ubuntu-desktop/2010-January/002396.html https://lists.ubuntu.com/archives/ubuntu-desktop/2010-Januar...]: "I am pursuing this change because Canonical has negotiated a revenue sharing deal with Yahoo! and this revenue will help Canonical to provide developers and resources to continue the open development of Ubuntu and the Ubuntu Platform."