Chris Brogan published a free ebook for you to download and share with others in 2008, it is a good primer for those exploring and using social media in their job search. It takes you from the specifics of using LinkedIn to your benefit, into some ideas on how to grow and nurture your social networks ahead of a need for them.

LinkedIn:

• The headline is the most important part of your profile.
• Update your profile summary every 2 weeks, keep it fresh and write it from the perspective of the potential employer
• Help people with their search by giving out recommendations to people you can vouch for
• Only recommend people you can personally vouch for

Twitter:

• Thousands of great minds all plugged into the same conversation and some of them could help you achieve your goal
• Don’t be a follower be a leader. Find appropriate groups, reach out, and contribute.
• Follow Chris Brogan’s 9 step process for networking on Twitter:

1. Be clear out your goals, write them down. Think about how you can help other people achieve their goals. » Read more: Job Search Tips: Using the Social Web to Find Work