🇾 🇪 🇿 🇿 🇪 🇾Does anyone remember Third Voice? You could graffiti any website and only people who had plugin installed could see it. Why isn't there a modern alternative?
AatubeThe product soon received much criticism by website owners claiming they were trying to externalize discussion. The White House website was annotated with topical jokes. Further issues arose when spammers began to leverage the product, and increased issues arose when cross-site scripting security vulnerabilities were exploited in the product.
Pretty sure all these problems can be solved now.