mBLAST recently launched a free version of its tool mPACT which claims to find influencers based on topics or keywords. mPACT looks through, “a database of over 25 million articles, 8 million blog posts, and 753 million social media entries.”

So there’s no doubt that there is plenty of data to be had. But does their algorithm work? mPACT assigns an influence score as well if you sign up for the Pro account, but it’s unclear what metrics factor into this score.

I ran a couple of tests to see how well the tool works for finding influencers. Continue reading →