Even if Google were to cease to exist tomorrow, this would not mean the end of this revenue stream. I think most people when talking about the Mozilla <-> Google relationship fail to recognize that this is a mutually beneficial arrangements.
Bing and other search providers would be willing to spend lots of money to have the default search status. Just because Google has always purchased this spot in the past does not mean that google is the only way Mozilla can monetize search.
Bing and other search providers would be willing to spend lots of money to have the default search status. Just because Google has always purchased this spot in the past does not mean that google is the only way Mozilla can monetize search.