Crew sent what looked like wedding invitations, printed on heavy card stock and chicly engraved inviting customers to come in and chat with a dedicated specialist.
There's no skill involved other than the ability to keep up - in the UK version of the game players listen intently for the random numbers between one and 90 printed on their card to be called out.
Mr Barber announced to the Blackpool conference that the TUC's Know Your Rights number would be printed on the back of every NUS membership card from next September.
If they don't have a frequent-flier ID card, travelers check in online or at kiosks and get a bar code on a printed boarding pass or on a mobile phone, just like at other airlines.
Previously, blue badges were made from card and hand written, but from 1 January disabled drivers will be able to apply for an electronically printed badge, much like a driving licence.