The employee was using the same messenger session for both professional and personal actions. Part of the ruling was that it was reasonable for the employer to check the logs of the session, because it was ostensibly being used for professional actions.<p>&gt; His employer had discovered that he was using Yahoo Messenger for personal contacts, as well as professional ones.<p>&gt; Because it believed it was accessing a work account, the judges said, the firm had not erred.<p>EDIT: Removed unnecessary remark.