Who do you trust?

AOL, MSN and Yahoo! gave the US government your search requests. Google did not. This issue is really about the free flow of information. Including information the government may not want the public to access. Except in specific situations the government has no constitutional right to decide what information is accessed.  So why be concerned if they monitor? Senator McCarthy taught us why.
We don't know what will be politically or socially unpopular in the next 20 years. A student, who researches a topic that seems innocent by current standards, may find that search is the subject of government scrutiny and my even be denied employment or worse in the right social/political environment. It may sound unlikely to some people, but similar events have actually happened. That is proof that they can happen.
I'll avoid using search engines that have little regard for my privacy. When I need to find something I'll Google it.