Social business listing sites used as intelligent search engines. There are a number of advantages to submitting your content to one or more of business sites. They help to increase your brand awareness and more people who have access to your great content, the more likely that your content will go viral.
In directory submission, users save bookmarks to a public website by tagging them with keywords so that other people can also find them if they are marked as public rather than as private, or they can share them explicitly. Social bookmarking does not save the resources themselves, merely bookmarks that reference them, i.e. a link to the bookmarked page. Here are the list of great social bookmarking, directory submission, news and business listing sites:
