What Happens When You Point a Video Camera at the Monitor That Is Displaying What The Camera Sees? Runaway Visual Echo... Technical Name is Video Feedback Loop...

The Basic Idea was written about in a Book Called Godel, Escher Bach by Douglas Hofstadter.
https://en.wikipedia.org/wiki/Video_feedback

While I was working as a clerk at Radio Shack, I Had use of all that equipment... after the store was closed... I payed with this idea and had a lot of fun...

Ham Radio... Selling Equipment at Radio Shack in the 1990s - I Met a Lot of Interesting and Obsessive People who were Amateurs.

It was Really Fun to Be Introduced to The Ham Radio Culture... a World I Had No Contact With...

Dot Dot Dot DASH DASH DASH Dot Dot Dot... SOS...  

Link to More About Ham Radio Operators...

https://gvan42.blogspot.com/2020/05/ham-radio-selling-equipment-at-radio.html

Trump's New Tariffs Likely to Cause Popular Consumer Prices to Rise. Well, SO WHAT! Simply STOP CONSUMING... Do You Really WANT all that Cheap Chinese Junk? Do Not Buy That Crap! Really...

Don't you already have everything that you want? If Not, Simply Want Less... Another new Smartphone? Why not Keep the one you Have and Just Be Happy? More Plastic Toys? More Dresses? More Shoes? More, More, More? An Ostrich Coat? More? More? More? More? More? More? More? More? That's Compulsive Hoarding Of STUFF! Buy High Quality Tools and Fix What You Have So It Lasts For Decades... Buy USED... Recycle... Reuse... Thrift Store Bargains are HIP! 

Remember: All You Really Need Is Enough Food and a Safe Place To Sleep. 

Do You Really Want To Be One Of The Plastic People of the Universe?  Believing That You Can Consume Your Way To Happiness! Pathetic Dupe!