Brand advocates — people who share content that results in a new person engaging with a campaign — generate an average of 14 earned media impressions each, according to research released today by Wildfire, the social media marketing software company recently acquired by Google. The data is based on an analysis of 10,000 social marketing campaigns that ran on Facebook over the past 9 months. Wildfire looked at the top performing 10%, belonging to just under 700 brands, to identify 6 key strategies that top-performing brands use to achieve higher levels of fan engagement. Read →