http://chronicle.com/img/subscribe-footer.pngBy Rebecca Koenig. Anonymous posts on a smartphone application called Yik Yak are facilitating conversations on college campuses, but the dialogue is not always fit for the classroom. Discussions on the app sometimes dredge up racist, sexist, and other degrading content, and students at multiple colleges have been arrested for using Yik Yak to post threats to campus safety. Read more...