After asking the customer for her order twice via speaker, the employee appears on the Starbucks menu board in real-time video.

She signs to the woman, who places her order and a friend's order.

Later that night, the woman shared her experience on Facebook, posting, "Starbucks! This is what I'm talking about! We can change the world!"

St. Augustine is also home to the Florida School for the Deaf and Blind.

Watch the full video below.