Google can share your data across services, such as maps and docs. Google’s new Director Of Engineering, futurist Ray Kurzweil, told me that he wants to build a search engine that knows what users want before they do.

In order to give you up-to-date traffic directions on your commute, shopping recommendations, and tailored search answers, it’s helpful to know where you live, where you visit, and what you’ve searched for in the past. Unless you’re an avid Kanye West fan, the term “north west” probably refers to an actual region of the world.

So, last year, Google adopted a major change to its privacy policy that allowed cross-reference data across all of the services, from Maps to Docs. […]