Donald Eastlake <d3e3e3@xxxxxxxxx> wrote: > What is an "OS credit card"? I assumed a typo for "US credit card" the machines insisted upon having a zip code, which even if we were to insert one that was valid ("90210"), of course, it wouldn't match out CC. meanwhile, the rest of the world has 10+ years of CHIP+PIN verification, which the US still has only half-caught up to :-(