During a recent discussion at Hasanuddin University in Makassar, information technology (IT) specialist and mechanical engineer Irwan Tantu from Houston, Texas, in the United States, exhorted the audience of some 400 students to "do something!"

He related an incident, whereby he had asked a group of students where the restrooms were. The group embarrassedly said to forego using the lavatories, because they were filthy. "Well, I want to ask you all,