A half-page ad in today’s San Francisco Chronice features the words “Why do we work?” displayed over the photo of an assembly line worker’s hands, shifting a box.The text below begins with the strapline: “to keep the future growing”. A bank called Principal.com probably paid good money for this fatuous claptrap. Meanwhile, Seattle Airport fired all its baggage handlers on Friday. This further depopulates airports here in the US of human staff. The only exception is security control gates where hordes of guards make elderly passengers take of their sandals. Sticky rubber mats with pictures of feet on them are provided for you to stand on whilst re-shoeing.