EVANSTON — With annual winter job and internship fairs approaching, many Northwestern students are crossing their fingers in hopes that their “social media skills” will be as highly sought-after as that one article they read on Forbes a month ago reported was a possibility. “I’m a social media expert,” said Weinberg junior Justin Thomas. “I am proficient in Facebook, Twitter, LinkedIn, Tumblr, and now SnapChat.” According to a recent career services survey, over the past year many formerly undecided undergrads