School Experiment That Sparked a Scandal

In 2019, students at a Chinese elementary school were given AI headbands that tracked their attention levels in real time during lessons. The internet exploded: users were outraged that students were essentially 'plugged into' a control system that invaded their personal space.

The authorities quickly reacted and suspended the experiment. The developer insisted that the devices were only helping train concentration and had long been used abroad, but few believed it.

Today, amid the rapid development of AI, this story sounds even more alarming. If the technology scared people back then, what would it be like now, when algorithms have become more powerful and data collection more discreet?