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.
Contributed by Stephen Coles
Photo by Sergiy Tkachenko on Flickr.
Contributed by Font Bureau
Photo by Florian Hardwig on Flickr.