Vernor Vinge (who wrote one of the first essays on singularity) recently stated that we can tell the singularity has happened when a robot can clean an un-prepp

Vernor Vinge (who wrote one of the first essays on singularity) recently stated that we can tell the singularity has happened when a robot can clean an un-prepped bachelor's pad (robots can currently clean a prepared room, but they can't clean a room in an "as-is" state).