Room for Debate:

For as long as exams and term papers have existed, cheating has been a temptation. But with Web technology, it’s never been easier. College professors and high school teachers are engaged in an escalating war with students over cutting and pasting articles from the Internet, sharing answers on homework assignments and even texting answers during exams. The arms race is now joined between Web sites offering free papers to download and sophisticated software that can detect plagiarism instantly