Vlad Gorelik, an engineering manager at Facebook, kicked off the event describing his work supporting teams that work on fighting spam and related issues. He discussed how spam-fighting techniques and approaches are similar across different products and technologies, and pointed out that anti-spam teams face a difficult challenge that is adversarial and asymmetric. Finally, he reiterated Facebook’s commitment to sharing spam-fighting technology, and called all companies present to find new ways to collaborate and share information that can help everyone get rid of spam more systematically.