A paralyzed man has tweeted a message out to the world using his thoughts through a brain-computer interface. It’s thought this is the first time a message has been successfully posted on social media directly using an implantable brain-computer interface.

Philip O’Keefe, a 62-year-old from Australia with amyotrophic lateral sclerosis (ALS), composed and posted the tweet on December 23 using only his thoughts and an endovascular brain-computer interface (BCI) developed by neuroprosthetic startup Synchron.

Read the full article at iflscience.com