In this blog post I go over my experiences on Mastodon. (I'll cover CoSo separately) https://www.stevensavage.com/blog/2023/01/my-mastodon-experience.html
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@StevenSavage I agree with you about Mastodon. CoSo's about the same, too. I think of them a bit differently. Mastodon for news, CoSo for more relaxed social interaction. Or maybe that's just my preference, and what I seek from each site? Who knows?
@NTropy_Sellers I use mastodon in general and CoSo as its more a community