June 24th, 2009
By default, all your messages on Facebook will soon be naked visible to the world. The company is starting by rolling out the feature to people who had already set their profiles as public, but it will come to everyone soon. You’ll be able each time you publish a message to change that message’s privacy setting and from that drop down there’s a link to change your default setting.
Marshall Kirkpatrick, Read Write Web: The Day Facebook Changed Forever: Messages to Become Public By Default