How to delete a Klout account?
The description of the service:
Klout is a website and mobile app that uses social media analytics to rate its users according to online social influence via the "Klout Score", which is a numerical value between 1 and 100. In determining the user score, Klout measures the size of a user's social media network and correlates the content created to measure how other users interact with that content.
It can take up to 180 days for all your data to be removed from the system.