Kevin Warwick is known as “Captain Cyborg” for a reason. The researcher started having tech implanted in his arms and throughout his nervous system as early as 1998, and he’s been able to operate computers and robots arms with it.
When Jerry Jalava lost the tip of his finger in a motorcycle accident, he had it replaced with a 2 gig flash drive. Unfortunately, it doesn’t wire directly into his brain. YET.
Amal Graafstra had RFID chips implanted into his fingers that open his apartment and car, among other things, and even sells the technology for your own use.
Tim Cannon went the DIY route and had a biometrics monitor installed by a body mod specialist with no anesthesia.
Neil Harbisson has an antenna wired directly into his brain that allows the colorblind author to actually “hear” color far beyond a normal human’s capacity.
Tech reporter had magnets implanted in her fingers, as well as a NFC chip into her thumb webbing.
Rob Spence lost his eye in an accident, and has been working on prototypes of a replacement with a camera installed.