Wikis are a great idea and has potential for PR professionals in the planning process of campaigns, especially if team members are working at separate locations. Wikipedia is of course the ‘granddaddy’ of Wikis and a great resource for information, especially when it comes to new technologies.
It has its limitations however. In academia it’s usually said to be a great place to start, but a really lousy place to finish. Since it is user generated content it is not always very accurate, often because the specific writer is limited in his or her knowledge of the specific area. However, sometimes its deliberate inaccurate information put there for strategic reasons, something the candidates in the US primary election has had to experience. Check out this video from CNN: