This benefits your readers too by keeping them more informed of the content they are reading and suggesting them more. This also means your content is discoverable and is classified. But to use it first you need to verify that your ownership of the site. Then you can use the publishing center for following tasks:
- Updating the details of your site such as site name and the publication label.
- Updating the URLs in your site.
- Labelling the site sections. (For e.g., sports, technology etc.)
Google recommends that you check the record in Publisher Center after making the changes. Presently the tool is open only to the U.S. publishers but soon would be available in other countries along with more features. You can learn more about the tool here.