i’ve just finished to attend a chi presentation/report from cambridge folks. two fantastic videos at the end. now, some papers of interest:
An unobtrusive behavioral model of “gross national happiness” - this could catch the attention of people working on happiness/mood/emotions 
check out the facebook application
Blogging in a region of conflict: supporting transition to recovery - one interesting finding: “blogs enable people experiencing a conflict to engage in dialogue with people outside their borders to discuss their situation”
Pensieve: supporting everyday reminiscence - “everyday reminiscence by emailing memory triggers to people that contain either social media content they previously created on third-party websites or text prompts about common life experiences.”
Useful junk?: the effects of visual embellishment on comprehension and memorability of charts (best paper) – how to present a graph? cool info-graphics in the paper and interesting analysis of precision of retrieving charts vs. recall after 3 weeks
Crowdsourcing graphical perception: using mechanical turk to assess visualization design - they repeated some info visualization experiments on mechturk