SYSTEM AND METHOD FOR MANAGING DISCUSSIONS USING MESSAGING SERVICES

System and method of creating online discussion sessions between users of messaging services, who do not necessarily know of each other prior to the discussion. The session includes exchanging messages between users in the context of a predefined subject. The method enables: embedding a communication interface (CI) to user's messaging services; initiating a discussion session, where the user initiates the discussion by using the embedded CI and defining the subject by creating a massage using the messaging service; transmitting the initial message, through the CI to the main discussion manager; searching for suitable other candidate users for participating the initiated discussion session, associated with the subject, according to predefined rules, where the suitability includes a combination of relevancy of the other user for participating in the defined discussion session, according to said defined subject, and availability of the other user to participate; creating and managing the online discussion session.