http://u.qdnx.org/file/erkan-20141119T143032-2ewlvjz.html
oh boy, why? Joining the W3 "Social Web Working Group": #Only AC Representative, selected Invited Experts and Staff Contacts can use this form to join or leave a group ; since you're not logged as any of those, you won't be allowed to submit this form. Additional instructions for joining this group are available. https://www.w3.org/2004/01/pp-impl/72531/join cc @question