Hortatory exposition is a type of writing that aims to persuade readers to accept the writer's viewpoint by presenting arguments in a logical manner. It contains a thesis statement announcing the issue, arguments providing reasons for concern that lead to a recommendation, and a recommendation stating what should or should not be done based on the arguments. Language features used include simple present tense, connectors, passive voice, and modal auxiliaries. The document provides examples of potential topics for hortatory expositions such as banning mobile phones at school, banning Facebook, and banning smoking.