Harvard emails show Zuckerberg's business side

FILE - In this July 6, 2011 file photo, Facebook CEO Mark Zuckerberg smiles during an announcement at Facebook headquarters in Palo Alto, Calif. (AP Photo/Paul Sakuma, File)

March 27, 2012 7:43:48 AM PDT
Emails from Mark Zuckerberg's Harvard days show the dropout-turned-Facebook CEO as a young entrepreneur losing patience with a client's delayed payments.