Perhaps they trained this fellow:
(Don't peak until you've done 57A.)
http://www.youtube.com/watch?v=Ghgg_fukbvU
Sweet clue, peterm. Finally got the "consumer" connection.
A few other favourites that had me pondering:
4D, 7D, 37D, 39D, & 24D where I initially wrote PLACE.
Makes sense. The British refs are always a problem.
Wish I could compose tough ones like that.
Great job, everyone, & many thanks to Les for all the hard work providing us with the entertainment.