Gresham's LawSo, Neuralink got FDA approval for human trials, and a certain fanbase is VERY excited about that
meldrocA long time ago I read some cyberpunk novel, and one of the characters had an ocular implant that got infected with malware that flashed spam ads for Indian brothels in his vision 24/7, even with his eyes closed, until he went completely postal.
They touched on this concept in the black mirror episode “Fifteen Million Merits”. Very minor spoilers, read on if you dare
Not with a brain implant per se. But had to pay merits or else watch porn ads. And if you don’t have any merits, guess what they’re unskippable.