Flat-Earthers, a group of individuals who reject the widely accepted scientific evidence that the Earth is an oblate spheroid, are facing a new challenge: a surge in flat Earth-related advertisements. These ads, often appearing on social media and online platforms, claim to offer services and products that cater to the flat Earth community, from "flat Earth-friendly" clothing to alternative navigation tools. As the movement gains traction, experts are warning about the potential for misinformation and scams targeting vulnerable individuals who may be swayed by these claims. But what's behind the sudden proliferation of flat Earth-related advertising, and how are authorities responding to these developments?