Yesterday's XKCD takes an anti-Klout stand: http://xkcd.com/1057/. I wasn't sure how seriously to take this, whether it was free advertising for Klout, or even what Klout was, other than a misspelling.
So I visited the site. Klout is amazingly stupid. The effect the XKCD piece had on me was to add various Klout-related URLs to the /etc/hosts files on various of my PCs [ mapping them to 127.0.0.1 ].