Last week, the World Wide Web Foundation announced in an open letter (PDF) that it would be “winding down” and “closing [its] virtual doors” after 15 years of working to make the web safer and more accessible. The World Wide Web Foundation was founded in 2009 by Tim Berners-Lee, the man who’s widely credited as inventing the world wide web and making it possible for regular users like you and me to browse websites and download files over the internet. When the WWWF was first created, only 20 percent of the world’s population had access to the internet. Today, that figure has ballooned to an as…