In David Hoffman's excellent book "The Dead Hand: Reagan, Gorbachev and the Untold Story of the Cold War Arms Race" he describes how Reagan and John Paul II came up with a plan that saw the smuggling of large quantities of office equipment (photocopies, faxes etc.) into Poland.

This Time article gives some details: http://www.time.com/time/magazine/article/0,9171,159069,00.h...

I love the idea of subverting a regime by supplying communication tools!