movie and wanting more details on an actor or while chatting with a friend and wanting to prove a point.
Time killing is a category that refers to the desire for recreation in one’s spare time, where the desired information is useless but recreational, e.g., looking for recreation news or information about famous people.
Knowledge is a category that refers to needs derived from the user’s profession, e.g. an IT student searching for information about a programming language.
Life service includes needs arising in daily life, such as finding directions to a