This document discusses the educational tool Quizlet, which allows students to create online flashcard sets and study materials. It can be used to engage students and allow them to access study materials from any device. The founder created Quizlet in 2005 as a tool for his French class. Today it has millions of daily users and study sets. The document provides an example of how a social studies teacher could use Quizlet by having students create online vocabulary flashcards for a geography unit, and embedding Quizlet activities and questions on a class blog and bulletin board with QR codes.