Whether you are teaching a class, helping a friend or just looking for information for yourself these guides from Mashable are a great resource.
The Facebook Guide topics include:
- Facebook 101: The Basics
- Managing Your Facebook Wall
- Using Facebook for Business
- How to become a fan of Mashable
- Using Facebook Applications
- Facebook 305:Advanced Topics
Twitter Guide topics include:
- Twitter 101 – The Basics
- Building Your Twitter Community
- Twitter for Business
- Twitter Guide Book To Go: PDF Download and Slideshow
- Sharing on Twitter
- Managing Your Twitter Stream
judyoconnell.com 
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thanks i was just asking myself the same question as shelley, nice tip, though
How does one obtain the above guides?
Shelley L.
You will have to follow the instructions on the Mashable site – after you’ve clicked the Twitter and Facebook links here – which provide hyperlinks or directions to download a pdf. Have a look and let me know if you need more help.