Next month I’ll be giving a talk on social software to an audience of CTOs. To prime the pump, I’ve been spending some time with two of the newer services in the space: Flickr and del.icio.us. Neither focuses primarily on the six-degrees-of-separation dynamic that drives LinkedIn, Orkut, Friendster, and Spoke. Instead, both Flickr and and del.icio.us address specific activitie in Public bookmarkswith del.icio.ussocialbookmarksby 2 users