We see that most libraries plan to move their entire journals collection to online only. It's an Erevolution . What are consequences for end users, librarians, publishers and subscription agencies? In this context, a lot of consortia have emerged. In France the Couperin consortium has been created. -to evaluate and purchase electronic information products for its members at the best price. - And to build a national network of skills and exchange in the field of information systems At international level, consortia gather to put pressure on different actors particularly governments and the European Commission.