So in seeking out new career prospects it's a great tool to use to make contact with individuals and forums that can become part of your new community. You can also start to build connections and become part of the thought leaders in your chosen area.
A few useful references and resources to follow:
Manage your career in 9 minutes a day
http://www.youtube.com/watch?v=NTBkSwobbac&list=PL8CB204C07DD45951
They have a YouTube Channel
https://www.youtube.com/user/LinkedIn
How to find a job using LinkedIn
https://www.youtube.com/watch?v=1eTDnSnDMgE
Article:
Why you need LinkedIn and four ways to use it:
http://www.womensagenda.com.au/career-agenda/builders/why-you-need-a-linkedin-strategy-and-four-ways-to-do-it/201308012641?utm_source=Women%27s+Agenda+List&utm_campaign=14c5565d86-Women_s_Agenda_daily_01_08_2013&utm_medium=email&utm_term=0_f3750bae8d-14c5565d86-30614969