Since the beginnings of modern blood transfusion one hundred years ago, blood donation has proved an eloquent illustration of what in the modern era we call the sharing economy, in the noblest sense of the term. That is why the “Établissement Français du Sang” (EFS), France’s national blood authority, is now having to adapt to new generations in order to attract new donors. It is seeking to move its relationship with its donors into a new era for a new generation, using new technology. Less medical, more social. A human and digital experience