Resolves yes iff 90% of users (without eye impairments), when the option is available to them, choose to operate their work computer using an eye tracking system, without using a mouse or trackpad.

The option is considered to be available to a person when the new system either costs less than 300USD and can be easily trialed, or comes free with platforms that're useful for other reasons, such as near-future VR.

Could resolve earlier or later than the closing date depending on the availability of adoption statistics.