Here's another social media tool that you should check out if you are interested in determining the ROI on your social media activities.
Are You Looking to Track Social Media Metrics?
When Intuit wanted to analyze market sentiment about TurboTax, they used Radian6 to collect approximately 40,000 blog posts about Intuit and its competitors between January 1st and April 15th of 2008.
“None of [the team working on this project] felt artificial intelligence was going to come to their aid any day soon,” says Jim Sterne in his book, Social Media Metrics: How to Measure and Optimize Your Marketing Investment.
That should give you some idea of the state of social media analytical tools, particularly for analyzing market sentiment. With a few exceptions, they are practically nonexistent.