A few hit the next level. Some employees are remarkable, possessing qualities that may not appear on performance appraisals but nonetheless make a major impact on performance.

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iPhone app developers did not exist 10 years ago!

Employment trend watchers have been pinpointing the sectors where jobs are anticipated to increase forever—every five years the BLS projects its own outlook and sites like our list what’s become old news: that careers in a handful of sectors (most linked to technology, a growing concern about the environment and an aging population) are on the rise while others continue to falter. But are they new occupations or simply new ways of meeting existing needs?

Still, each year as twenty-somethings leave college campuses in droves, industries on the rise offer something uniquely appealing: the opportunity to seize brand new positions where competition hasn’t reached critical mass. With that in mind, we scoured jobs data and career sites for the most promising positions in on-the-rise sectors that were only created in the past decade. They’re so new that they didn’t even exist a decade ago, which more than puts your parents out of the running.

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Founded by Reid Hoffman in 2002, LinkedIn has grown to 161 million members in over 200 countries, making it the world’s largest professional network on the Internet (by comparison, Twitter has 500 million registered users, and Facebook has 900 million). Currently available in 17 languages, LinkedIn remains a relevant platform the world over.

That being said, we doubt you spend 20 minutes on LinkedIn per day, like Facebook’s power users do. So, if you need a crash course on what LinkedIn has to offer, browse the network’s most prominent features below. Or send this to your recent grad as he or she prepares to enter today’s daunting job market.