This past March professional networking site LinkedIn surpassed the 100 million user mark, being one of the most used networking sites out there for finding jobs, keeping up with current or former work associates and of course promoting your own resume.  LinkedIn has become so powerful that the networking site is adding a new member every second. Are  you a member yet?

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As the site becomes bigger it beomes more useful to the average person, but the question is are people using LinkedIn correctly? Researchers at Lab 42 asked 500 LinkedIn users that question and many more, and came up with a variety of answers in this infographic.