Sadly, all powerful technologies can be misused. "Teachers Adjust Lesson Plans as Web Fuels Plagiarism":

School term papers may be going the way of the typewriters once used to write them. . . .

Teachers who still assign long papers — 10 pages or more with footnotes and bibliographies — often require students to attach companion essays that describe every step of their research and writing. Even then, teachers scour the Internet for suspicious turns of phrase. And some schools are paying thousands of dollars a year for software such as Barrie's that scans work for plagiarism.

Those programs reveal that about 30% of papers are plagiarized, either totally or in part.