Sizmek is a company operating an online ad campaign management and distribution platform that provides online advertising services worldwide. The Sizmek MDX platform provides its customers with an end-to-end solution to enhance planning, measurement and optimization of online media campaigns. Its platform also offers programmatic managed services, customized services and customer support services. In addition, the Company provides data based on the content and structure of Web pages for enhancing the relevance and effectiveness of online display advertising.