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Re:Ask HN: Is anyone doing anything cool with tiny language ... by stogot on Tuesday January 21, 2025 @08:16PM (#42787482)
Why does STOP work here?
Re:Ask HN: Is anyone doing anything cool with tiny language ... by celestialcheese on Tuesday January 21, 2025 @08:21PM (#42787538)
https://x.com/nikitabier/status/1867069169256308766

Again, no clue if this is true, but it seems plausible.

Re:Ask HN: Is anyone doing anything cool with tiny language ... by inerte on Tuesday January 21, 2025 @08:22PM (#42787551)
Carriers and SMS service providers (like Twillio) obey that, no matter what service is behind.

There are stories of people replying STOP to spam, then never getting a legit SMS because the number was re-used by another service. That's because it's being blocked between the spammer and the phone.

Re:Ask HN: Is anyone doing anything cool with tiny language ... by yawgmoth on Wednesday January 22, 2025 @08:15AM (#42792455)
STOP works thanks to the Telephone Consumer Protection Act (“TCPA”), which offers consumers spam protections and senders a framework on how to behave.

(Edit: It's relevant that STOP didn't come from the TCPA itself, but definitely has teeth due to it)

https://www.infobip.com/blog/a-guide-to-global-sms-complianc...