Apple has acquired SensoMotoric Instruments, a company that specializes in eye-tracking technology useful for virtual reality (VR) and augmented reality (AR) applications.

SensoMotoric, founded in 1991 in Teltow, Germany, helps power devices, like glasses and headsets, that can follow people's gaze. The company has worked with Facebook's Oculus Rift VR kit and RedBull's e-sports lab in recent years.

An Apple representative essentially, albeit not officially, confirmed the purchase in a statement provided to Fortune. "Apple buys smaller technology companies from time to time, and we generally do not discuss our purpose or plans," the rep said, employing a comment that Apple typically uses when all but affirming an acquisition.

Read more at Fortune.