People called those who scheduled the events with comments like: He gave an entire 45 minute lecture without slides!
the audience thought I was incredible (almost all other presentations were powerpoint in a theater with the lights out).
Not really exceptional. Just old school and knew the audience.
What became clear, was that while most people ultimately considered this a satellite image of North Korea at night, many people thought it was a picture of the Earth, a picture of China, a picture of South Korea, or a picture of the ocean.
The drawing in of the audience, the engagement, and the real-time learning didn't come from great software. It came from the presenter.