The neurolink is one of the best ideas because with this invention people who are disabled will be able to opeerate things they normally wouldn't be able to. With this invention it aims to give those with paralysis the ability to control their devices, including their smartphone, using just their thoughts, and it is currently being trialled to test the functionality of its interface and the surgical robot used to implant the chips, having received approval in the US to test the chip on humans.
https://www.independent.co.uk/news/health/elon-musk-neuralink-stephen-hawking-b2516238.html