An instant message transcript slipped to Business Insider shows 19-year-old Mark Zuckerberg suggesting that users of the social network - fellow Harvard students at the time - were "dumb fucks" for trusting him. Business Insider previously posted evidence that the Facebook CEO used login data from his social network to hack into fellow students' email accounts; that evidence also included instant message transcripts.

Facebook CEO Mark Zuckerberg and his company are suddenly facing a big new round of scrutiny and criticism about their cavalier attitude toward user privacy. An early instant messenger exchange Mark had with a college friend won't help put these concerns to rest.

Read the entire article in Gawker.