Google seems to be the definitive word when it comes to household usage for the term, intelligent! Detecting the intent and context has always been a tough nut to crack but it seems like the search major has its own way to handle it.
So when you type in 'facebook is' or 'twitter is' @ Google's search box, this is exactly the kind of suggestions it'd throw at you. Try it out at yourself.
Source for idea/thought: Cleartrip official blog