Systems and methods of tracking and rewarding users of any of a variety of content hosting systems, such as search engines. In one embodiment, a method of rewarding a user of a search engine includes receiving secure identification information identifying a user, retrieving user account information using the secure identification information, receiving a search query associated with the user account information, crediting the user account with a reward that is directly related to providing the search query, and returning search results in response to the received search query.