Abstract: A method for enabling messaging between users of different social networks is disclosed. Additionally, a method for enabling messaging between users of social networks and users of other communication systems which are not social networks is displosed. This is done by providing an identification mechanism to allocate unique user IDs guaranteeing user ID uniquness across the different social networks and the other communication systems and by a mediation system comprised of social network specific and communication system specific interfaces and a mediation server connected to these interfaces.

Abstract: A many-to-many mobile messaging system and method comprising a mobile communication device operative to send a sequence of messages, wherein at least some of the messages are sent to a plurality of recipients and comprise message content and a set of destination indications for at least some of the plurality of recipients.

Abstract: A method for enabling messaging between users of different social networks is disclosed. Additionally, a method for enabling messaging between users of social networks and users of other communication systems which are not social networks is displosed. This is done by providing an identification mechanism to allocate unique user IDs guaranteeing user ID uniqueness across the different social networks and the other communication systems and by a mediation system comprised of social network specific and communication system specific interfaces and a mediation server connected to these interfaces.

Abstract: A many-to-many mobile messaging system and method comprising a mobile communication device operative to send a sequence of messages, wherein at least some of the messages are sent to a plurality of recipients and comprise message content and a set of destination indications for at least some of the plurality of recipients.