Well, they do have holographic and stuff, however, due to the required setting, most of it we saw are.
Frankly, I don't see any innovation in the waterpark, or really, anything else. Military hardware also don't develop that much, being consistently much weaker than I.S. (or at least Ichika claimed)
In ST, it's different. I.S. related technology applied to everything. That is, I.S. development, expensive as they be, able to sustain economy because the result of it's research, rather than the I.S. itself.
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