#### > 2040 ## Brain-Computer Interface Seamless [[Brain-computer Interface]]s (BCIs) are developed and mass-marketed. These devices can be worn as earpieces, headgear, or collars, and they begin to replace keyboards, mice, and even monitors to some extent with the assistance of heads-up display goggles and contact lenses. It allows for data to be perceived in the user’s field of vision rather than on a monitor, revolutionizing communications and the video game industry.