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

Similar Posts:

• 5 Easy Steps to Stay Safe (and Private!) on Facebook from ReadWriteWeb
• Facebook Community Pages vs Official Pages and Your Library or Business
• What Libraries Should Know Before Creating a Facebook Page – Libraries & Facebook Update 2

Mashable has put together a Complete Guide, their words not mine, to Facebook Privacy settings.  It covers

• Profiles – did you know soon you’ll be able to have fans? Yeah they can friend you but you don’t friend them back.
• Status Updates
• Realtime Search – searches last 30 days of news feed activity – photos, notes, images, videos, links, and status updates, plus the old stuff, groups, apps and people.
• What’s next

Go read & bookmark the whole thing quick! Cuz you know Facebook, the settings are likely to change tomorrow without warning Similar Posts:

• How Far Do You Go to Reduce Drama and Protect Your Privacy on Facebook?
• Do you understand Facebook’s privacy settings?
• Dear Facebook, I Would Like My Illusion* of Privacy Back, K, Thanks