QR codes can be used to differentiate learning and expose students to a variety of resources that they can interact with and reflect on individually. For example, the code may contain a link to a video, article, or other resource that may help deepen a student's understanding of a certain topic, containing images of words accessible to a variety of students including ELL. This technique can also be used show the process of learning-a student may attach a QR code to a poster or PowerPoint to show how they garnered such information and created the project.