I like tracking my "dot" on the Klout graph, and looking at some of the analytics. However, I find that Klout seems to base its assessment of my "influence" on a very small number of specific tweets that I sent a very very long time ago. I am not convinced it offers an up to date view of the Twitter influence landscape.
"It's a finding that strikes at the foundation of many a social-media marketing philosophy: Tapping into peer-to-peer networks is a way for marketers to tell authentic, credible stories to consumers whose confidence in corporate CEOs, news outlets, government officials and industry analysts has taken a beating. But according to Edelman's latest Trust Barometer, the number of people who view their friends and peers as credible sources of information about a company dropped by almost half, from 45% to 25%, since 2008. "