Klout, which analyzes content from millions of people to identify the top influencers on every topic, is one service that measures influence on Twitter. Klout today (1. jan. 2010) released its Top 2009 list of the topics that captured the attention of the most influential voices and their communities on Twitter.
Per Klout’s announcement:
In 2009 we saw an explosion of users and content on Twitter. The “real-time stream” fed us information before the mainstream media could even react, user communities flexed their collective muscle and demonstrated the power of “word of mouth,” leaving companies to either ride the social wave or be subject to the wrath of millions of voices. There’s no denying it: in 2009, social media continued to profoundly change the way we communicate, the way we find and share information, and the relationship between brands and consumers.
Top 2009 list of the topics that captured the attention on Twitter via Mashable.com