A CDE Definition
The vast knowledge Google accumulates about the interests of the human race, which is based on the billions of things people search for on Google. "Zeitgeist" is German for "spirit of the times" (Zeit = time; geist = spirit, ghost), and Google is said to know the Zeitgeist of the world better than any other organization.
Before/After Your Search Term
Terms By Topic
Click any of the following categories for a list of fundamental terms.