"The answer's not in the box, it's in the band" - Antitrust

The following page explains the usage of the "+" operator on Google search, and mention that some common terms like "C++" receive a special treatment: http://www.googleguide.com/plus_operator.html

In Tokyo (and maybe other cities), this data is displayed in all the train and metro stations. Also, there is data on which car to ride if you want to use the escalator or elevator when you get out.