Are you collecting any information that can be linked to a visitor? Has the visitor given fully informed consent?
Is the venue an inherently noisy or otherwise distracting environment?
Does the experience rely on funding? How long will that funding last?
Does your staff have the expertise for day-to-day maintenance of the technology? Is there someone on hand to tackle small problems?
How will you control visitor contributions? Do you need to and, if yes, do you have the resource?
Will visitors create and/or contribute content? Is there a licensing agreement in place to allow you to use it legally?
Will you collect any information that can be linked to a visitor? Can you easily give this data back to the visitor and delete it if they ask?
Are particular volunteers or staff vital for the experience? What happens if they leave?
Is there a person or people with ultimate responsibility for the experience? Will they continuously improve and evaluate it?
Is there a space where visitors can assemble and plan before the experience, or take a rest and reflect afterwards?
How will you understand and engage with opinion on social networks?
Will the technology be around in a year's time? How about 5 years? How long can you expect external support?