A tag cloud built from genes related to Brca1. This tag cloud was built automatically using the iHOPerator user-script. It is composed of gene names extracted from abstracts associated with the gene Brca1 (in mouse). Colour (redness) correlates with the impact factor of the journals where the gene name occurs. Size correlates with the number of times the related gene name occurs in association with the gene in question – in this case Brca1.