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: Systems and methods are disclosed for matching media clips. A media matching system is operable to deliver a content stream to a media receiving device. The content stream may be synchronized to a media stream received by a primary media receiving device. The output signal of the primary media receiving device is sampled and clip data sent to a data matching mechanism operable to match the sampled clip data to media clips extracted from media streams. The systems and methods provide real time matching of clip data and enable synchronization between delivered content and broadcast media streams.

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.