1. A computer program product comprising: a computer readable storage medium; and computer usable code stored on the computer readable storage medium, where, if executed by a processor, the computer usable code causes a computer to: identify a set of users associated with one or more collaboration artifacts; identify a set of networks including a plurality of candidate social networks; and calculate a similarity metric between the set of users associated with the one or more collaborations artifacts and each of the candidate social networks to identify one or more relevant social networks from the candidate social networks, wherein at least one member affiliated with the one or more relevant social networks is to become aware of the one or more collaboration artifacts.