NEW YORK: Social media will replace traditional media as the main PR and public affairs tool within two years, according to a new survey.

Use of social media for PR and public affairs purposes has jumped by up to 15% in the past year, according to the survey, which was carried out by M&A and management consultant StevensGouldPincus. Communications and consulting firms devote 30% of their work to social media, with Facebook the site firms devote most time to each month, followed by Twitter, ...