I bought a 22 inch Samsung monitor in 2007 and was annoyed as hell with the extremely bright blue LED under the power button. I never knew untill now why it was there. I just thought it was bad design. I always put something in front of it.

Another reason to hate google. This feature got taken away for legal reasons in many regions. The Google dialer app is absolute trash now after the last big update.

Word you’re looking for is magnetism or polarity.