Abstract: In one exemplary aspect, a method of an anonymous online social network includes the step of providing an anonymous online social networking service. A user is enabled to create a user's anonymous profile on the anonymous online social networking service. The user's anonymous profile comprises a unique social number identifier. A user information is received by a server of the anonymous online social network. The user information includes an anonymous user interest and an anonymous attribute. A search functionality is provided wherein another user searches for the user's anonymous profile utilizing the anonymous user interest and the anonymous attribute. The unique social number identifier can be a user profile identified by a unique sequence of numbers such that the user's profile does not include personal identifying information about the user. The anonymous online social networking service can include a computing platform to build social networks and social relations among a set of users.