Product software implementation method result in ambiguity when questions arise in the execution of the implementation process. On the other hand methods can be used as a profession, meaning that the method should be taken strict and the usage of the method should be a profession, instead of a guiding principle. This view is very useful if the implementation process is very complex and is very dependent on exact and precise acting. Organizational and quality management will embrace this view, as a strict usage of any method results in more clarity on organizational level. Change management however might indicate that more flexibility in an
World's second oldest profession World's second oldest profession The English idiom world's second-oldest profession is used to refer to a number of professions, playing on the common comment that prostitution is the world's oldest profession. One frequent use of the phrase is to refer to spies and spying. An explanation of this phrase is that it must be the second-oldest profession because it is mentioned in the Book of Joshua. Paul Reynolds, a writer with the "BBC", noted: ""Rahab, of course, was engaged in the oldest profession."" Ronald Reagan nominated politician as the second-oldest profession with the alleged quip, ""Someone once said that politics