Social-networking site LinkedIn is getting a face-lift.

The site, which focuses on connecting business professionals, plans to upgrade its interface as well as offer a set of paid services next year. Possible premium options include a better tool for finding job candidates and a more efficient way to find people who can comment on a potential hire or business partner, according to the company.

For example, LinkedIn may enhance its search function to make it easier to find site members with a certain minimum number of years of experience. Recruiters should appreciate that feature, said LinkedIn co-founder Konstantin Guericke. "They're the people who are looking for the needle in the haystack," he said.

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