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Samsung Galaxy S4 may include eye-tracking technology

The Samsung Galaxy S4 may be a sight for sore eyes, literally. According to a New York Times report, the company's "next big thing," to be introduced later this month, will include eye-tracking technology that turns your eyeballs into page scrollers.

Citing an anonymous Samsung employee, the Times explained that when the software detects that someone has reached the end of visible text on a smartphone, it will automatically scroll to reveal the next line.

No further details about the technology or whether it will be on display at the 14 March Galaxy S4 event were revealed. But in January, Samsung filed for an "Eye Scroll" trademark in Europe, and last month it filed for the "Samsung Eye Scroll" trademark from the US Patent and Trademark Office, the Times said.

The patent application described the service as "Computer application software having a feature of sensing eye movements and scrolling displays of mobile devices, namely, mobile phones, smartphones and tablet computer according to eye movements; digital cameras; mobile telephones; smartphones; tablet computers."

Samsung already introduced an eye-tracking technology of sorts into the flagship Galaxy S3. The smartphones features "Smart stay," a preventative measure to keep the device from going to sleep. Through the front-facing camera, the software knows whether someone is looking at the phone, therefore staying lit up when it has an audience, and going to sleep when no one is there.

In January, meanwhile, the Tobii Rex added eye-tracking tech to Windows 8-based PCs, allowing users to zoom, auto-center, open windows, scroll, and more.

Eye-scrolling technology joins the growing list of as-yet unconfirmed Galaxy S4 rumours. The company offered up a teaser video today, featuring a pint-sized protector of the phone, who is tasked with guarding the device with his life before next Thursday's event.