New video presentation system

I remembered when my husband attended a seminar,he was so contented of what he had learned.The informations were delivered precisely and the way it was presented was very nice.My husband told me that the company used a new system to deliver informations and it is called digital signage.The system enables to deliver informations on different screens and in different locations.With that system,it was easy for the people who attented the seminar to understand and be aware of the project.It was indeed a successful seminar.My husband thinks that digital signage system must be use in every company's video presentation,it's really a great system.