I’ve been hearing about that phenomenon for years.

I had heard about it in context of the past. I hadn't realized it was still the thing it very much apparently is.

Btw, thanks for being pretty much the only person I could tell this news to without a long, confusing explanation of why it’s interesting.

You're welcome, although I bet other people who read you would enjoy the story. People who are not at least a little interested in Walter Slezak are really missing out.