Elon musk has been working on something called Neuralace which can be delivered by injection.
Even if you trust Elon Musk to never cooperate with a plan to secretly put that in vaccines, the intelligence agencies are surely experimenting with the same sort of technology.
The crazy part is that the ones willing to get the chip inplants will appear to be faster with their information abilities. But I won't be jealous of their brains being hacked.
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