User-agent: Googlebot
Disallow: 

User-agent: Slurp 
Disallow: 

User-agent: Bingbot 
Disallow: 

User-agent: Twitterbot 
Disallow: 

User-agent: * 
Allow: /topic/*
Disallow: /
Disallow: /oauth/*
Disallow: /oauth_callback
Disallow: /oauth_fb_callback

Sitemap: http://klout.com/sitemap.xml