I'm really worried that if Twitter becomes unusable that I won't be able to stay afloat financially.

My main source of income comes from newsletter subscriptions (https://www.readtpa.com), and Twitter has been the biggest driver of new free and paid sign ups.

I don't know what to do, to be honest.

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And I'm not alone in that. There are a lot of independent writers, journalists, content creators, etc., who have relied on Twitter to promote their work.and Twitter was already a difficult place to be. It wasn't some sort of bubble of positivity or lefty groupthink (as EM keeps trying to frame it), but now it seems like he's actively trying to push progressives off the platform.
It's why my most recent newsletter(my weekly recap) included to many links to other people's recently launched newsletters: I want to help as many people as possible.
Anyway, it's really difficult. There are no good options or answers for people in this position.

@parkermolloy

One hopes that there are no good options *yet*.

I hope the chaos from the disintegration of Twitter leads to something as good or even better for people in the online wordsmithing business. I hope.

Good luck out there.