The Burson-Marsteller Global Social Media Check-up 2011 reports an increase in social media participation among Fortune Global 100 companies, with a significant rise in activity mainly driven by Asian firms. Twitter emerged as the leading platform, showing an 18% increase in adoption, while Facebook saw robust engagement, notably in 'likes'. Overall, companies are utilizing social media to better connect with stakeholders, although many still predominantly broadcast content rather than engaging directly.