Author identity is a challenging problem for automation systems working with bibliographic resources. ORCID author identifiers are perceived as a simple and effective way to address this problem, but in order to accomplish this, ORCID identifiers need widespread adoption by researchers, organizations, and bibliographic automation systems. This column, the second of two, surveys how some libraries, publishers, and other research organizations are using ORCID identifiers to address the problem of author identity across different systems and workflows.