Eye-tracking technology is sometimes called

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What is this for?
In fact, there are quite a few areas in which eye trackers are used.

Conventionally, eye trackers can be divided into 3 groups, depending on where they are used:

For gaming. The most common eye trackers today. They are relatively simple and have limited functionality, but they are also the most affordable due to their low cost. Their purpose is clear from the name.
Professional devices. Used in neuromarketing, neuromedical research, sports, education, science, and the like. Consumer behavior research, user interface (UX) testing, professional pilot training, cognitive norway number data psychology, and this is far from the whole list.
Rehabilitation (habilitation) eye trackers. These are eye trackers that help people with special needs control a computer with their eyes (type text, use the Internet, communicate on social networks, etc.) without outside help. That is, they completely replace the keyboard and mouse.
The most important is the rehabilitation component of eye tracking. After all, for many people this is the only way to interact with the world around them. For those who have not encountered something like this, it is very difficult to understand how important it is to be able to communicate and express their thoughts.

Although from a business point of view, the gaming sphere certainly looks more attractive. It is not without reason that eye trackers are gaining increasing popularity precisely as fashionable gaming gadgets.

With professional eye trackers, things are a little more complicated because of their high cost. Not everyone is ready to buy full-fledged solutions, although, to be fair, not everyone needs them. But many large companies have already assessed the prospects for using these devices. For example, here is a video (in English), which tells about testing consumer behavior and product packaging at Unilever: