Let your friends and contacts know, for example, if you just attended a full-day seminar on a topic that would be useful to a future employer, post an interesting article related to your field, or add new skills or relevant experience to your profile.

FORBES: Job Search Success is the Best Revenge

Last March, the GE's chief executive, Jeffrey Immelt, wrote an article in the Harvard Business Review where he announced that GE planned to add more than 1, 000 manufacturing jobs at its Louisville, Kentucky, facility - a manufacturing plant the company tried to sell only a few years ago during the depths of the recession.

BBC: American manufacturers come back home

That article, posted on LinkedIn, has generated dozens of comments from readers whose life experiences add to the importance of the message.

FORBES: Corporate-Culture Slogans Need This 11-Step X-Ray Test