The debate on the ethical, social and legal impact of technologies enhancing human capabilities has been largely fed by philosophy and ethics scholars. These contributions offer arguments in favour or against the use and distribution of more or less specific types of enhancing technologies. Since authors' positions drastically vary from 'trans-' or 'post-' humanist claims about the desirability of these technologies to 'conservative' views opposed to those technologies and showing their dangers and perils, this debate is often heated and confused. The distinction between therapy and enhancement itself is exemplary in this respect. The distinction is often not meant to merely serve the theoretical purpose of creating definitional clarity; i...