but when it's not, again you can go to the talk palk, you can fix is on your own by editing the page or there are special venues all across wikipedia that are dedicated to resolving problematic material about living persons in particular. >> and what is your revenue source, because those who go to the wikipedia website will often see a banner asking for money. >> so i work for the wiki education foundation which is grant separate from wikipedia. so those banners go to the organization that operates the servers and programs that kind of run wikipedia. we're a separate one. we interface with academia, and we believe that academia and wikipedia belong together, and so our whole organization is based on bringing wikipedia into classrooms and drawing on the knowledge that's available in universities to improve those content gaps that i talked about, those issues that are -- those topics that aren't as good as they should be on wikipedia. >> i grew up reading the encyclopedia britannica. i goes those days are long gone. >> it's huge and kind of ubiquitous. it's very much changed what it me