Twitter fonts explained: how 𝗯𝗼𝗹𝗱 and 𝘪𝘵𝘢𝘭𝘪𝘤 text works on X (and when it backfires)
X has no bold button — 'Twitter fonts' are Unicode characters that survive copy-paste. How the trick works, 20+ styles you can use, the accessibility cost nobody mentions, and a free generator.