Why it worked
The video addresses a common privacy concern (screen peeking) with a simple, actionable solution using a built-in phone feature. The "anti-spy" framing and the visual demonstration of the screen becoming unreadable from the side create intrigue and perceived value.
Summary
This video demonstrates how to create a custom routine on Samsung phones to make the screen invisible from side angles. The routine is triggered by a double press of the side key and reduces screen brightness to a very low level, effectively acting as an anti-spy measure.