The presidential teleprompter demystified. No, they cant see your words.I created an article about how a camera teleprompter works here.When I was a young child, and I saw photographs of these glass panels around a lectern, I just thought they certainly were bullet proof glass to safeguard the speaker. Like, someone knew wherever an enemy would fire from:) Ive also had people ask if they were microphones—like those parabolic plexiglass dishes seen at football games.The technology hails from the Peppers Ghost displays made famous in the 1800s. Disneyland uses this in its famous Haunted Mansion, where phantoms “sit” in the cab with you.In case of a presidential, or speech teleprompter, theres an LCD monitor flat on the ground, pointed at the ceiling.For more:

How does a presidential teleprompter work