Here's Why This CEO Finds All Her Employees Through LinkedIn

When it comes to hiring the perfect person, there's a lot of information to wade through to narrow down your choices. Between resumes, cover letters, and job applications, it can take hours to filter out the best candidates -- and there's still no guarantee that you'll find what you're looking for. Rebekah Campbell, founder of social network start-up Posse, knows this conundrum well, as she explains in a column for the New York Times. "My problem was that the best candidates all had good positio...