Information Flow in Social Groups Fang Wu,1 Bernardo A. Huberman,2, Lada A. Adamic,2 and Joshua R. Tyler2 1Physics Department,Stanford University 2Information Dynamics Lab, HP aboratories, 1501 Page Mill Road, CA 94304-1126 We present a study of information ow that takes into account the observation that an item relevant to one person is more likely to be of interest to individuals in the …