Primal generates Interest Graphs and uses them to find, filter and rank content. Our cloud-based data service creates rich user-specific interest graphs. Primal then aggregates and filters Web content from any online source using your individual interest graphs. Clients can utilize Primal's recommended collections of content sources or define their own custom sources. Calls to the Data API are formatted as a simple URLs that describes a topic. Our JSON or RSS response makes it easy to integrate Primal's interest networks into your new and existing applications. Primal can be used for personalization, aggregating and filtering content, finding and ranking content on semantic relevance, generating interest graphs, and many other use cases related to utilizing interest graphs.