The two researchers did some calculations--this field requires a black belt in statistics--and discovered that the probability that two people might have identical lists of movies with the same ratings is tiny.
Additionally, this information would help already enrolled college students pin down a major field of study, something that most find difficult as evidenced by statistics suggesting that at least half of students change their majors at least once.
The Bureau of Labor Statistics predicts a 53 percent increase in the number of available jobs in the field of information technology between 2008 and 2018.