Camouflage Tech in the Oval Office

David Friedman of Ironic Sans ran down a mystery peeking out of pictures of Joe Biden in the Oval Office, the president's office in the White House's West Wing. What's the deal with a picture frame that has no picture in it? Friedman finds the answer, but then goes down the rabbit hole about presidents and the modern technology of the Oval Office. We won't find out anything really secret, but we find out some really neat tidbits about presidential history in this video.