How is a wiki different from a blog?
A blog (short for Web log) is a collection of periodic articles, often short, and often arranged in reverse chronological order. Although some blogs are open to posting from anyone, generally only the author of an entry can edit it. The Wikipedia definition of blog is here: http://en.wikipedia.org/wiki/Blog A wiki is different in several ways. It is generally a repository for longer articles, it can be organized as a hierarchy or polyhierarchy using Web links, and any member of the community can edit any article. Articles on wikis grow and evolve. You can read more about wikis on Wikipedia: http://en.wikipedia.
