For any of the sites:
"Despite his best efforts, Joel Spolsky was unable to locate the item in question"
or, more neutrally,
"Despite our best efforts, we were unable to locate the item in question"
(http://www-03.ibm.com/ibm/history/exhibits/vintage/images/4506VV4002.jpgOriginal source (from from Google imageImage search for "ibm"IBM punch cards")
(I have de-hotlinked the image here since the competition is over.)