well they probably were using a code (not a cipher). "when will the next batch of loaves be ready?" etc. [i am disappointed the article doesn't even mention t

well they probably were using a code (not a cipher). "when will the next batch of loaves be ready?" etc. [i am disappointed the article doesn't even mention that kind of detail; never mind describing how they avoid traffic patterns (presumably they have protocols for changing email addresses, times and subjects)]