Introduction The most profound technologies are those that disappear. They weave themselves into the fabric of everyday life until they are indistinguishable from it. - Mark Weiser Mark Weiser prophetically argued in the late 1980s, that the most far-reaching technologies are those which vanish into thin air. According to Weiser, “Whenever people learn something sufficiently well, they cease to be aware of it.” This disappearing act, as Weiser claimed, is not limited to technology but rather human psychology.