Jeff Bezos posted a photo of a giant tortoise on X, and Elon Musk replied with a crude joke, marking a public exchange between the rival CEOs. The image echoed Jeff Bezos’s Blue Origin tortoise motif and the fable that slow and steady wins the race. Elon Musk, the Tesla CEO, responded on X but received no public reply from Bezos. Blue Origin features the tortoise on its crest and vehicles, reflecting a step-by-step approach Bezos has previously described. Users continued to speculate as Musk recently discussed orbiting data centers and a concept for a self-growing city on the Moon.