You're right Google can't know the nuances of every business, but exactly because they are so good at generic search, they can leverage their technology to deli

You're right Google can't know the nuances of every business, but exactly because they are so good at generic search, they can leverage their technology to deliver better results in niches too. Here is an example: MSDN library search versus Google site search on MSDN library site. Google is better, presumably because they take into account all external sites linking to MSDN. Never mind they don't know specifics about site format or contents.