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One of the best things about new technology is how it makes the world more accessible to people with disabilities. Take Siri or Alexa, for example. They are a convenience or even a toy for most people. But if you’re blind, they’re potential life savers, capable of sending messages or receiving instructions, entirely through the power of your voice.

What’s truly exciting is how advances in artificial intelligence (AI) are enabling the creation of even smarter accessibility features. On the most recent Google Pixel phones, it’s possible to turn on a feature called “Live Captions”. This means that deaf people can easily watch videos — or even make video calls. And perhaps more magically, iPhone will even let you create a simulation of your own voice and have it speak for you, giving us all technology similar to what Stephen Hawking used, but in the palms of our hands.

What I think is most striking though is what all of these clever accessibility features mean for the rest of us, who may not need to use the features for their intended uses. The idea behind smart headsets — if they’re ever going to be truly useful — is that they will work almost as an extension of brains and bodies. We’ll want them to give us directions when we need them, and help us understand our surroundings. And we’ll need a way to interact with headsets without buttons or a touchscreen, using our voice or by gesturing with our hands.

This is for sure a tricky technical challenge, but it’s actually possible to imagine how such headsets might work, because these fundamental technologies already exist thanks to accessibility features on smartphones already on the market.

Ultimately, this is a great way to think about accessibility features and why they’re so important on our modern devices. Because they don’t just help the people who need them — they help make our technology even better for everyone else too.