Ziflow is a company that provides a powerful online proofing platform designed to streamline the creative process for marketing teams. Their solution allows users to manage and review creative assets seamlessly, enhancing collaboration through features like version management, commenting, and automated workflows. Ziflow is aimed at improving productivity by facilitating efficient feedback and approval processes for digital content. The website http://www.yorkecommunications.com is not directly related to Ziflow and appears to belong to a different entity. For accurate information about Ziflow, visit their official site at www.ziflow.com.