The document discusses mind reading computers. It describes how these computers analyze facial expressions in real time to infer mental states using software that identifies 24 facial points. The computers could support applications like detecting driver states. The technology works by measuring blood volume and oxygen around the brain using functional near-infrared spectroscopy. Users would wear futuristic headbands that read the brain to allow computers to adjust based on individual minds. While this raises privacy issues, it may help communication for disabled people.