The service provides for comparison of opinions expressed online in blog posts and statements on social networking sites. It allows for linking and comparisons among statements on a topic to trigger evaluation of persuasive effect and influence on the opinions of others. The goal of the service is to foster dialogue and comparison among statements of opinion in a way that captures attention of audiences interested in a topic, including public officials and other decision makers.
API methods support definition and interaction with application domains. Methods allow creation and management of user listings and applications associated with those users along with topic and category tags to match statements of opinion about the same matter. The API also handles comments on statements of opinion logged with the service.