Meta Platforms Inc’s chief executive, Mark ZuckerbergEssilorLuxottica

“Here Leonardo is using a prototype of our neural interface EMG [electromyography] wristband that will eventually let you control your glasses and other devices,” Zuckerberg said in a post on Facebook, referring to EssilorLuxottica’s chairman, Leonardo Del Vecchio. He closed his message with a smiley-face emoji wearing sunglasses.

Facebook – which changed its name to Meta Platforms in October – said in a blog post last year that it planned to develop a wristband that would control augmented reality glasses, allowing users to interact with a virtual world using finger movements.