PRINCE2 has become increasingly popular and is now a de facto standard for project management in many UK government departments and across the United Nations system. In the 2009 revision, the acronym was changed to mean 'Projects IN a Controlled Environment'.RINCE2 has become increasingly popular and is now a de facto standard for project management in many UK government departments and across the United Nations system. In the 2009 revision, the acronym was changed to mean 'Projects IN a Controlled Environment'.