[sigzero]

Then you haven't been paying attention.

[infecto]

Maybe you are in bubble? Looks like it’s really old slang and I have not heard that word in the last decade in Silicon Valley or elsewhere.

[iamnothere]

It was never common slang. A few journalists tried to force it to be “a thing” but it never caught on, because forced memes never work.

(I do hate camera glasses though.)

[layer8]

It has had a revival with the Ray-Ban Meta AI glasses. I don't know about Silicon Valley, but you frequently see it in tech-oriented forums when the topic comes up.