vocabulari.se is a search tool addressed to researchers to explore a social network of research objects, help them choose the wording of their abstracts or the tagging of their papers, and discover their research interests in new ways. This tool is grounded in “science studies” , which show that research objects have a social, even political, life of their own… let us play with it! And open the black box of the ubiquitous yet poor tagging system as the ultimate linking device of words…