It's weird how some bits of data can be made illegal. I understand that having child pornography on one's computer should be forbidden because it encourage its

It's weird how some bits of data can be made illegal. I understand that having child pornography on one's computer should be forbidden because it encourage its distribution, but it's clear that the concept of data is difficult to define. Intellectual property laws are already difficult to enforce, but the whole concept of forbidden data because it's illegitimate shows that technology is really creating problems for the law.