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PSA:
this symbol » # « is an octothorpe (otherwise known as a "hash" or number sign)
a "hashtag" is a metadata label starting with a hash sign
Yes, yes - I know … Ok, Boomer
@raymondlesley PSA = PUBLIC SERVICE ANNOUNCEMENT
JUST FYI INSIDE POST WITH OTHER ACRONYMS
EXPLAINING THINGS WITH OTHER UNKNOWN ACRONYMS
LIKE PSA!
LOL LIKE A PANDORA'S BOX FOR WORDS
# « is an octothorpe (though mostly North American region would only use this)
JUST FYI CYA RGB