LinkedIn

http://en.wikipedia.org/wiki/LinkedIn
How to Write a LinkedIn Recommendation
http://www.wikihow.com/Write-a-LinkedIn-RecommendationChecklist: 10 Online Job Hunting Tips
http://careerservices.linkedin.com/10-Job-Hunting-Tips.pdf
What’s Your LinkedIn Score
http://www.personalbrandingblog.com/personal-brand-audit-what’s-your-linkedin-score/
Articles
http://theundercoverrecruiter.com/content/7-ways-college-students-can-benefit-linkedin
Who is Sharing Articles with Linkedln
http://searchenginewatch.com/article/2067390/LinkedIn-5-Useful-Tips-to-Leverage-the-Waking-Giant
Strategies
http://www.linkedstrategies.com/blog/
Insider
http://linkedinsider.org/
20 Compelling Reasons to Spend Less Time on Facebook and More Time on LinkedIn
http://www.onlinecollege.org/2012/05/02/20-compelling-reasons-to-spend-less-time-on-facebook-and-more-time-on-linkedin/
13 Essential Tips for Landing a Job on LinkedIn
http://mashable.com/2010/05/19/job-search-linkedin/  
18 Proven Ways to Help Recruiters Find You on LinkedIn
http://www.onlinecollege.org/2012/05/16/18-proven-ways-to-help-recruiters-find-you-on-linkedin/  
Tube
https://www.youtube.com/user/LinkedIn