Last Updated: Thursday, 24 May 2007, 12:53 GMT 13:53 UK More than a third of UK bloggers risk the sack by posting derogatory or damaging details about their workplace, boss or colleagues, a survey claims. Human resources company Croner, which commissioned the study, warned that such bloggers could be sacked from their job for gross misconduct. Croner surveyed 2,000 people who keep a personal inter