Oh Canadian

In 2003, a 15-year-old from Trois-Rivières, Québec, dropped out of his high school after classmates found an embarrassing video of him pretending to be a Star Wars character and posted it on the Internet (Harmon, 2003). A 14-year-old from Mission , B.C., hanged herself after receiving threatening phone calls from classmates (CBC News Online, March 23, 2005).
What is cyber-bullying?