1. Method for enriching a first multimedia content created by a first creator, among a plurality of multimedia content creators, wherein it comprises the following steps of: clustering said plurality of creators to deliver clusters comprising at least two creators, called relevant creators; assigning, to at least some relevant creators of the cluster comprising the first creator, called first cluster, a score of relevance determined from at least one criterion of similarity between said relevant creators and said first creator; ranking relevant creators of said first cluster according to their scores of relevance; selecting, among a plurality of multimedia contents, at least one second multimedia content related to said first multimedia content and delivered by a ranked relevant creator of said first cluster; enriching said first multimedia content based on said second multimedia content.