<p>I used to work as a freelance science writer, and the temptation to work for paper mills was enormous.</p>
<p>Whenever I was scouring the Internet for new assignments, the majority of opportunities I would see were for freelance work for companies that write academic papers for students. I had to wade through the mass of soliciations from these companies to find legitimate work.</p>
<p>There is a huge industry out there (and no, I never worked for it).</p>