It can be done in a number of ways.
Sometimes it's shocking. Some of our authors are lawyers, or former lawyers, so they are interested in this kind of thing and we get a lot of information from them.
In some cases, when we publish a book, we wonder whether it hasn't been digitized simultaneously, since both versions come out at the same time. It's crazy.
A young girl who was cleaning my car one day told me that she was a voracious reader, admitting that what she read was pirated.