Tech Trends

By Renwick Congdon

A large part of the Web 2.0 landscape is made up of blogs, wikis and programs that integrate both mediums, along with other technologies.

Blogs are essentially personal journals or commentaries created by individuals, perhaps within teams or organizations, for broad consumption and published on the Internet. Communities on the Web use blogging sites to air their opinions or add to an existing body of material on a given subject area.

The purpose of blogs may vary from site to site; for example, some bloggers use the medium as a diary, while others provide supporting or antithetical views on a topic. The postings-the term used for the publishing of a blog entry-are usually self-moderated.
A wiki is a Web site that enables users to add new content or amend existing content. As soon as you post on a wiki, all users are able to contribute, by adding or amending the original document. They do not have to ask permission-from the author or an administrator-because everyone is empowered to contribute. The wiki community manages change and ensures accuracy and relevance. A great example is Wikipedia (http://www.wikipedia.com/).

The shared-document collaboration element is the main difference between blogs and wikis. The originating author relinquishes ownership of the content on a wiki publication.

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