2009 年初登場なら知ってるわけないでショ！！！https://dic.nicovideo.jp/a/%E3%81%A4%E3%81%8F%E3%82%82%E3%81%9F%E3%82%93 - つくもたんとは
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.
