The fastest growing form of online advertising is rich media/video ads. Online advertising, also called online marketing or Internet advertising or web advertising, is a form of marketing and advertising which uses the Internet to deliver promotional marketing messages to consumers.
Workflow system automates business processes. A workflow management system provides an infrastructure for the set-up, performance and monitoring of a defined sequence of tasks, arranged as a workflow application.
All of the following are among the most common categories of spam except ______.