Method for broadcasting a stream of data and method of interaction between users

The present invention relates to a method for broadcasting at least an extract from a data stream sent or received by at least a first member of a user group of a communication network to at least one second member of the group user comprising the following steps: - detection of a transmitted data flow or received by said at least one first member of the user group, - extracting at least part of the data stream detected function at least one parameter of the data stream, - filtering the extracted data based on at least one parameter corresponding to the user profile of at least one second member, - diffusion filtered data to said at least one second member of the user group.