An online marketing agency would develop strategic maneuvers to seek information about their clients to a plethora of customers. The experts working at these agencies would gain knowledge through trial and error. The professional would take guidance from other campaigns. They would make use of the information to create various strategies that would enable them to spread the word about their current client.
A good strategy would be to frequently get writers to write various articles about the things that their customers has on their web pages. The articles should be interesting so that people would look forward to reading them.