1. Blogs defined From Wikipedia http://en.wikipedia.org/wiki/Weblog: http://en.wikipedia.org/wiki/Weblog A blog is a website in which journal entries are posted on a regular basis and generally displayed in reverse chronological order. The term is a shortened form of weblog or web log.

2. Derivative words Blogging- Authoring a blog, maintaining a blog or adding an article to an existing blog. blog posts, posts, or entries - Individual articles on a blog. Blogger- A person who adds posts or entries to the website. Vlog- video blog.

3. What’s on it? A blog may include any commentary or reporting on the chosen subject of the blogger and may also include hypertext, images and links to video, audio and other files.

4. What’s a wiki? From isp.webopedia.com http://isp.webopedia.com/TERM/W/wiki.html. http://isp.webopedia.com/TERM/W/wiki.html A collaborative Web site comprising the perpetual collective work of many authors. Similar to a blog in structure and logic, a wiki allows anyone to edit, delete or modify content that has been placed on the Web site using a browser interface, including the work of previous authors. The term wiki refers to either the Web site or the software used to create the site.

5. How is a wiki different from a Blog? A blog, typically authored by an individual, does not allow visitors to change the original posted material. A visitor can add comments to the postings in a blog. Wikis contain documents that may be created and edited by a collaborative effort of site visitors, including the original creator.