i'm probably late but i just realized how the domain name thing makes for such an inherently good verification method i questioned for a second whether this was an "official" react account, but that question answered itself immediately
did you know that you can conditionally exit an effect? this is useful if you want a subscription to only stay active while some condition is true, and to stay removed while that condition is false. a bit mindbending, but so it is with react!
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