Source: http://klout.com.License: All Rights Reserved.
The Klout logo is set in Eurostile Bold with some modification for the 'K' mark which doubles as a nifty loading GIF. All header text on the website is FF DIN as a webfont. Small text is in Arial.
Source: http://klout.com.License: All Rights Reserved.
Source: http://klout.com.License: All Rights Reserved.
Source: http://klout.com.License: All Rights Reserved.
Source: http://klout.com.License: All Rights Reserved.
Source: http://klout.com.License: All Rights Reserved.