I agree. Being effective and independent will cost money. There some potential for a company that charges monthly or annually to provide search services to other companies with privacy. There's lots of search, like marketing or competitive intelligence, where companies would prefer that the terms don't go through a surveillance company. Initial results might do as DuckDuckGo is doing now with them incrementally building their own database as funds came in.

Not sure how marketable it is, though. Google is pretty dominant. Most companies already running their stuff through it.