Firestore、独特の罠があるらしいので注意してね
https://qiita.com/y_kawase/items/1de690b40553ef76acb3#firebase%E3%81%AE%E5%8F%96%E6%89%B1%E3%81%A7%E5%A4%A7%E5%A4%89%E3%81%A0%E3%81%A3%E3%81%9F%E3%81%A8%E3%81%93%E3%82%8D
Mastodon is the best way to keep up with what's happening.
Follow anyone across the fediverse and see it all in chronological order. No algorithms, ads, or clickbait in sight.
