Webmention was originally developed in the IndieWebCamp community and published on January 12 , 2016 as a W3C work draft . Webmention was originally developed in the IndieWebCamp community and published as a W3C working draft on January 12 , 2016 . Webmention was originally published in the IndieWebCamp community and was developed on January 12 , 2016 as a W3C work draft .