That is a genuine screen-grab from a genuine web site of a genuinely major player. Your task, should you accept it, is to identify the player.
Of course, Google renders this utterly nugatory, so I’ll just say that the subs at National Geographic should stand up and take a massive collective bow. Thanks Luigi.
Webmentions allow conversations across the web, based on a web standard. They are a powerful building block for the decentralized social web.