Not just Musk, dozens of brain implants around the world. In Italy, implants inside the cerebral cortex have not yet been made.

The greatest progress in implantable chips has come in the last ten years, says Gian Nicola Angotzi, researcher at the Italian Institute of Technology. The technology developed by Musk's company is the least invasive and most effective tested so far, says Silvestro Micera, bioengineer at the Scuola Superiore Sant'Anna in Pisa.