Profiteers who run online pharmacy and gambling sites -- and couldn't care less about the ages of their customers.
Computer addiction, as players of elaborate online games such as World of Warcraft and City of Heroes become hopelessly obsessed.
Boundless bully pulpit San Francisco's Washington High is still recovering from an incident in November in which a cyberbully hacked into the school's Web site to humiliate a single student.
For several hours, while administrators scrambled to block it, the school site featured an obscene photo montage of the student's face superimposed on other bodies -- labeled with his name, a racial slur and gang slogans.
" or "Reasons to Hate Alex." There are the double agents who entice teens into e-mail chats about their crushes, fears, embarrassments -- and then post them for public ridicule.