Hacker News Reader

most shibboleths are subtle like that

I'm...not old enough to read a Business Insider article about being annoyed by lowercase letters.

I think most young people (with friends to text) have already encountered this.

Most young people are familiar with lowercase sentences and have been for a while, yes

aseigo was the OG, «aseigo: the triumphs and travails of a shift-key-challenged KDE hacker» was his blog byline a couple of decades ago.