Editor's note: Almost as if there were a little ESP at work, just in time for your editor to include it in the treatment of metrics in this issue of ACE QUARTERLY, a letter came from Garth Ketemer, up Toronto-way, that is not only a priceless addition to this sequence on metrics, but uniquely complements Don Nelson's question at the end of paragraph 5 in his article, which immediately precedes this one.
Ketemer, Garth H.
"Canada Plans for Metric Time (Priceless Addendum),"
Journal of Applied Communications:
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