Client: Mollom

Homepage: 
http://mollom.com/
Industry: 
Internet

Mollom is a Belgian anti-comment spam start-up founded by Dries Buytaert (the founder of Drupal) and Benjamin Schrauwen (a machine learning professor at the University of Ghent). Their service is used by many big names, including Sony Music, Netlog, Twitter, Symantec and many others.