How can this expand what it means to be human? How could it shape society? "Typing with the brain" can not only be very useful, but potentially life-transformi

How can this expand what it means to be human? How could it shape society? "Typing with the brain" can not only be very useful, but potentially life-transforming for those with mobility impairments -- e.g. quadriplegics, and those fully or partially paralyzed for other reasons.