alt Hacker News> This does not bode well for casinos.
For about 15 minutes until they figure out what's going on, take those folks out back and "convince" them to spill the beans on how it work, then come up with a way to detect and prevent it moving forward.
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Casinos (real ones, anyway, not talking about illegal secret game rooms) don't really beat people up anymore.
That said, this also won't be a problem for casinos. They have very advanced anti-cheating systems these days.
The corporate casino security teams will know about this before it becomes widely available and will institute policies to lifetime ban anyone they detect using this tech, which they will fairly easily be able to do because of how much automated surveillance there is in any real casino.
In any case, there are way more subtle signaling mechanisms people can use (but probably also get caught using) to collaborate that don't involve someone suspiciously silent talking right in front of a dealer.
You've been watching too many movies. Casino's are going to risk getting shut down in 2026 to "convince" random people of anything.