Twitter is a powerful career tool. You can find mentors (watch this video), contacts and much more. Our site's founder, J.T. O'Donnell, tweets daily about career news, resources, and job search tips. She can be followed at - @jtodonnell AND, we now provide INSTANT CAREER ADVICE on Twitter as well! Follow @CAREEREALISM and you'll be able to post your career question. A group of career experts who also follow @CAREEREALISM will then post their advice. That's right, instant access to top career experts. So, what are you waiting for? Visit Twitter and follow them both today...