From the yesteryear of my career the classic meetings industry marketing tools still linger in the memory, most of them being the various providers’ catalogues and usually prepared by publishers, associations or a destination. The annual catalogue of the ICCA members was sought-after and a main reference point, with expensive and slow distribution through direct mail the dominant mode of communication.
Thinking about it from today’s perspective, their use value was at about the level of a phone book and the time dimension irrelevant compared to the present.