How memes spread conspiracy theories, and what to consider before sharing one

"I am become meme," declared Elon Musk at the 2025 Conservative Political Action Conference, just after hoisting a chainsaw—a gift from Argentina's president, Javier Milei—above his head. The tech billionaire and head of President Donald Trump's Department of Government Efficiency (Doge) was correct. Within hours, images of the moment had spread across social media, spawning countless edits, humorous remixes and sharp commentary.