B-schools talk the talk on social network sites

India's top management schools have started using social networking and micro-blogging sites to keep students and aspirants abreast of placements and other institute-related information. IIM Calcutta (IIM-C) is using Twitter to share the latest updates on its summer placements for its 1st year students that will start on November 4. The process will run till the entire batch of 408 students is placed.