Abstract: A method and apparatus for collecting and graduating opinions about people and products, aggregating and normalizing all opinions about a given object to one value, for searching and automatic matching potential business partners. The system consists of: social network in which users define their relationship types; reference system which graduates users' opinions basing on relationship types within the social network; innovative unilateral relationships within the social network for using experts' opinions, in which the experts' approval is not required but connection may be realized at a certain fee; application which aggregates and normalizes all information about the user or product to one value, whereas the value itself also depends on who it is presented to; application for organizing biddings, in which the system automatically presents bidding offers to users with highest opinions value and allows the both contracting parties to evaluate each other's work by submitting their public opinions.