Soil(xkcd.com)3 points·by starsep·4년 전·2 commentsxkcd.comSoilhttps://xkcd.com/2695/2 commentsPost comment[–]h2odragon·4년 전replyVolcano seeds? sounds like an ACME product.[–]helsinkiandrew·4년 전replyIs this a subtle reference to Twitter?