But they still don't work in the Coke machine.

WASHINGTON — Reversing itself, the Defense Department says an espionage report it produced that warned about Canadian coins with tiny radio-frequency transmitters was not true.

The Defense Security Service said it never could substantiate its own published claims about the mysterious coins.

(Seattle Times)

So now we can quit worrying about the Canucks for a while, which is good because we're pretty busy worrying about other things. Like, for instance, the DoD.