What is a classic double agency? In short, look into their own database of potential business partners that meet the criteria set by a particular customer.
And actually the result of search, that “commodity” for the customer pays, consists in most cases a set of photos and phone numbers of their respective potential. It’s all service, what happens there is more work agency.
But things are completely different in case of a video dating agency. This client focuses not (only) based on photos, but has the option to see tape coated with the people you are interested, can in turn be studied, all on tape, the other clients.
Box to the presentation is done by the Agency. Thus, when resorting to its services, it is filmed discreetly while an interview conducted by the employer agency, which result is a movie of about half an hour which will archive the agency and will be offered for those interested in viewing.