The startup, which measures online authority, is reportedly being swallowed up by Lithium, a pre-IPO social software-as-a-service company.
As it focuses on expanding overseas, Uber makes three hires who have backgrounds in Silicon Valley's hottest companies.
The startup launches a business dashboard to attract paying customers who want to understand the who, what, and why behind digital influence.
Microsoft says Yammer users have jumped 55 percent to about 8 million in the year since it bought the corporate social-networking company.
Twitter.com doesn't display Klout scores, but if you use Firefox or the Chrome browser, we'll show you how to make it appear.
Rafe talks with one of Klout's early venture funders, Shervin Pishevar, and TechCrunch writer Josh Constine.
Keep track of your Klout score from your iPhone with the official app.
Don't care about your online influence? Klout automatically creates a profile for you using your public Twitter account, but here's how to opt-out.
Microsoft's Bing team is teaming up with social-media vendor Klout in the name of social influence and Big Data.
Klout CEO Joe Fernandez speaks about how the rush to check his company's site for free Spotify accounts was too much to handle.