"Social media is often seen as an ephemeral medium but as reporting on Hurricane Sandy showed, it's a treasure trove that can help plan for future disasters ... the knowledge that everyday folk are likely to capture dramatic news moments has prompted major media organisations like the BBC to search for social media viewpoints for most of their breaking news stories. CNN has gone one better. It has set up iReport, an entire division on its website devoted to citizen journalism." (Quoted from article)