Several motivations underlie the project. The primary ambition of MOM is to preserve an image of our era, created by numerous participants all over the planet. MOM will also contain information which our society is obliged to forward to the future: e.g. description of nuclear waste repositories. MOM collaborates with the NEA and SKB. Although the most obvious ambition and often described in the media is the concern about preserving our knowledge, this is not the primary goal of MOM