Hendrien Exel presented on augmented reality (AR) at the eTwinning Conference 2013. AR combines virtual information with the real world. Exel discussed how AR can be used in education, including AR education chemistry apps and the LearnAR online toolkit. She also explained how to create 3D worlds using markers, QR codes, and apps like Layar and Hoppala. Attendees learned about using AR now in their classrooms and resources for professional development.