<A target="_blank" href="http://www.infoworld.com/t/data-loss-prevention/email-users-still-running-amok-despite-years-warnings-906?source=rss_infoworld_top_stories_">Companies have been warning employees against "inappropriate use" of e-mail for years. </A>Sadly, it appears people aren't listening to the warnings. Half say they have printed out messages containing confidential information.