Slow tech is a new way of looking at technology. It means designing and developingtechnologies that are ‘slow’, with the aim of being good, clean, and fair. It has, as anaspiration, the design and use of a new kind of information and communicationtechnologies (ICT): ICT that is human-centred, and that takes into account both thelimits of the planet and those of human beings. The focus of this reflection paper is onICT that speaks to the needs of the environment and society, and is thus implicitlyethical. It contributes towards promoting slow tech to an audience of computerprofessionals and computer end-users.