What is a rolling demo?

[Kagami-chan]

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Hi fellow Istoryans,

I'm just kind of confused... Does anyone know what a rolling demo is?
What is needed to develop one?

I'm doing a little research. Hope I could get an answer from you guys... Much appreciated!

[ErapGuapo]

i think it also means ROLL OUT DEMONSTRATION...which is the beta phase of a system or the demonstration of how to use a particular system in a trial period...

not sure though...