Dotnaught writes "Six major Internet companies — AOL, Amazon, Borders, Google, IAC, and Yahoo — have been sued for using computers to provide automated responses to e-mail. The plaintiff, Texas-based Polaris IP, charges the companies with implementing systems that "comprise interpreting electronic messages with rule base and case base knowledge engines," a process the plaintiff has patented. Dennis Crouch, associate professor of law at University of Missouri School of Law, expects a payday for Polaris, given that other suits based on the same patent have been settled." Link to Original Source
The reason that every major university maintains a department of
mathematics is that it's cheaper than institutionalizing all those people.