The majority of Canadians believe that social media can cause a great deal of damage to the image of an individual or an organization, according to a new public opinion poll. The Nanos Research poll, commissioned by social PR consultancy group Signal Leadership Communication Inc., found that 84 per cent of respondents believe that social media sites like Twitter and Facebook can do the most damage to someone’s reputation. Just over 70 per cent felt this was true of online news and broadcast television, while 52 per cent said the same about print newspapers. Just under half of respondents saw radio as the medium most damaging to public image. “The danger of social media to inflict image damage is real, so leaders need to take this powerful PR threat to their reputation seriously,” Bob Pickard, principal of Signal Leadership Communication, said in a news release.