I think as long as you’re careful you could avoid crashing the market until you are ready, and they would have to prove insider trading. I could spread my stock purchases through a bunch of shell corporations as well
I could see an mmo using it for small random side quest generation where any npc could give you a quest tailored to the character. That kind of stuff would go along way to make big open worlds more “living”
There is! Come on in and pick it up!