#SocialSummit: marketers 'nowhere near' confident of social media ROI

Most marketers are "nowhere near" being confident of ROI on social media. That is the verdict of Andy Porteous, former Unilever senior vice-president, digital, speaking at yesterday's Social Brands summit in London.

Social Brands: speakers debate issues at the Brand Republic Group event in London
Social Brands: speakers debate issues at the Brand Republic Group event in London

We asked speakers at the event, held in association with Marketing, about how they are using social media to affect behavioural change among the public.