Just about everyone is familiar with the ISBN for books and the ISSN for serials. But new identifiers and new identifier standards have been developed for resources—such as the International Standard Text Code (ISTC)— and for people and organizations—such as the International Standard Name Identifier (ISNI). NISO's January 2012 webinar, Identify This! Identify That! New Identifiers and New Uses—to be held on January 11 from 1:00 to 2:30 p.m. EST—will discuss several new identifiers as well as new uses for older identifiers.