What are they?
- A blog is basically an online journal.
- A wiki is a place where multiple users write information for other people to access.
How do you join?
- On most blogs and wikis you can just click a register button to become a member.
Application for them?
- They can be used to gather information about a specific subject and they can be used to post minute-by-minute updates about a live event or just a simple post about a personal experience.
Name Some
- www.blogger.com
- www.wikipedia.com
- www.wikispaces.com
- www.livejournal.com

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