For our member publishers, the integrity of that protection is critical to allowing us to move to more of an online way of serving our customers so that we can safeguard the intellectual property we're mounting and putting forward for the education sector in particular. E-books would be a good example. Unlike ad hoc and limited amounts of physical copying, for us the importance of TPMs is that it allows us to have a sustainable model for password protected Internet access to platforms that really are at the heart of what we can do from a technology perspective to help learners in the classroom.
They're critical for us going forward, absolutely.