@nielso yes, it is always hard to know where to spent your limited time/energy. I personally would say it all differs depending on your use case.
I would post my music at the bigger platforms AND on my private site/Instagram linktree I would have this as no 1 spot with a "buy my music, fairly paid, no money to big corps" message. But I can totally understand why you would choose a different path.
At the end it's a hen-and-egg situation. There is no change without us all advertising for it.

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. Also, can Firefox please actually start to do real UI innovation again, please?