If it was local - implanted, or on my body, it might be a useful tool with the correct training.
If it was networked, it would need to have much tighter security than the current internet.
If it was just a terminal to some corporate server running unknown software for purposes I wouldn't necessarily agree to, nope, nope, nopity-nope. Even if it didn't start off as a device for pushing propaganda and advertising, there's no realistic expectation that it wouldn't evolve into that over time.
If it was networked, it would need to have much tighter security than the current internet.
If it was just a terminal to some corporate server running unknown software for purposes I wouldn't necessarily agree to, nope, nope, nopity-nope. Even if it didn't start off as a device for pushing propaganda and advertising, there's no realistic expectation that it wouldn't evolve into that over time.