The website, Hongkiat, suggests that “Augmented Reality” will enable virtual field trips in which the visitors and visited see each other as if they were together in the same space, even though they are thousands of kilometres apart. Other game-changing technologies they list include 3D Printing (a “must-have” in the classroom, they suggest); “Flexible Displays,” as lightweight as paper that can be rolled up, for example, and biometrics to help teachers learn how students re learning by studying eye movements.