Identity Technologies on the Web: A Primer

W3C BG Note Public Draft 8 April 2013

This Version:
Latest Public Draft:
Takahiro Sakai, WOWOW INC.
Kenji Fukuda, WOWOW INC.
Yosuke Funahashi, Tomo-Digi Corporation


Purpose of This Document

The goal of this document is to provide a succinct summary of various identity-related technologies developed in and around W3C that increase the capabilities of Media applications on the Web, and how they apply more specifically in a broadcasting-industry context.

Target Audience

This note is aimed at those who are unfamiliar with current identity technologies on the Web. Specifically, this note has been authored with broadcasters, ad agencies, non-web developers and end-users in mind. We hope that after reading this note readers will have a better understanding of identity technologies and that they will be better prepared to consider business and/or service models using these technologies with broadcasting.

Status of This Document

This note was published by the Web and Broadcasting Business Group. It is not a W3C Standard nor is it on the W3C Standards Track. Please note that under the W3C Community Contributor License Agreement (CLA) there is a limited opt-out and other conditions apply. Learn more about W3C Community and Business Groups.

Table of Contents

1. Identity Technologies

1.1 OpenID


1.2 WebID


A. Acknowledgements

Thanks to Tim Berners-Lee for inventing HTML, without which none of this would exist.

The editors would like to thank Shoko Okuma for her contributions to this note.