When I worked on a helpdesk, a poster with the NATO alphabet was standard issue for every new employee, as well as a thorough explanation of when to say Zed and

When I worked on a helpdesk, a poster with the NATO alphabet was standard issue for every new employee, as well as a thorough explanation of when to say Zed and when to say Zee. But that was nothing compared to when we started supporting Australians. We had to start a Wiki for Australian to Canadian/US translation.