friend network (Photo: Dimitri Vervitsiotis; Getty Images )

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People who interacted with close friends more than average--about 60 more comments or "likes" a month--had twice the shot to find a new job, says Moira Burke, a data scientist at Facebook. Plus, those who spent more time chatting with buddies had about a 32 percent probability of landing a gig in 3 months, while people who connected more with acquaintances had just a 6.5 percent probability.

Sure, loose social ties can be sources of new info (and new job openings), but just catching wind of a possibility usually isn't enough. It may take a good friend vouching for you, Burke says. After all, your buddies are more likely to stand behind you, know what would be a good fit, or even help create a position than those who don't know you as well.
(Need some social media expert advice? Here's How to Craft a Hilarious Tweet.)

But if you're in the market for a new gig, don't update your status with your sob story. Dwelling on a jobless situation with friends actually increased people's stress levels in the study.

Instead, tag friends in posts that ask questions about industry trends or current affairs, and actually read their responses.

An active and informed presence linked to some deeper thinking on your part increases your visibility and shows depth, says Dan Kilgore, a principal at HR-training firm Rivera Advisors. It'll not only start conversation, but help you stand out as a researchable, visible, and knowledgeable candidate.
(Still be cautious of who your pals are--here's Why You Shouldn't Have More Than 354 Facebook Friends.)