June 2, 2009
May 21, 2009, Business Week — A question: If you have 347 followers on the Twitter microblogging service, what are the chances that they'll click on the same online ad you clicked on last night? Advertisers are dying to know. Or, say you and a colleague exchange e-mails on a Saturday night. Can managers assume that you have a tight working relationship? Researchers at IBM and Massachusetts Institute of Technology are investigating.