Universal design for learning (UDL) is a construct that first appeared in the literature approximately 20 years ago. Yet, there is little agreement about what UDL looks like in the classroom. The purpose of this article is to assist students, educators, and parents in identifying universal usability designs, behaviors, and tools that reflect the practice of UDL in the classroom. Three types of exemplars are highlighted: platform tools, web-based curricula, and embedded supports. It is argued that knowing what UDL looks like is an essential step in measuring the outcomes of UDL.