One of the companies doing such work, Realeyes, which is based in London, has been developing a system that combines eye-spying webcams with emotional analysis.
Realeyes同時和匈牙利的一家教育服務公司Kaplan進行一項項目合作,項目使用該系統評估孩子對教英語的虛擬遊戲的反應。