An anonymous version of Twitter caused a series of scandals in US schools
An anonymous Twitter clone called Yik Yak , created to spread rumors in crowded places, has caused a series of scandals in US schools. reports this Business Insider . On March 5, students at a school in the coastal town of Marblehead, Massachusetts, were evacuated from the building during class due to threats posted on the popular Yik Yak app. Local police contacted the Mobile, Alabama, department for advice.