OpenID: The Definitive Guide [Paperback]

David Recordon is Open Platforms Tech Lead for Six Apart, the largest independent blogging company in the world. Recordon has played a pivotal role in the development and popularization of key social media technologies such as OpenID. In 2005, Recordon collaborated with Brad Fitzpatrick in the original development of OpenID, which has since become the most popular decentralized single-sign-on protocol in the history of the web. He was recently recognized by Google and O'Reilly as the recipient of a 2007 Open Source Award for his efforts with OpenID and is the youngest recipient in the history of the award.

Laurie Rae is an experienced technical writer and promoter of open standards for geospatial data and user-centric identity. She is a co-author of the book "Geography Mark-Up Language, Foundation for the Geo-Web", published by John Wiley & Sons. Rae was part of the team that developed the SXIP user-centric identity protocol which was integrated into OpenID 2.0. She also organizes and leads interactive events such as She's Geeky, an un-conference for women in technology, and the Data Sharing Summit, which brings together various parties interested in open standards for sharing personal data among social networks.

Chris Messina arrived in San Francisco in 2004 as a volunteer for the Mozilla Foundation, leading the Spread Firefox community marketing project in raising over $220,000 in microdonations to launch Firefox to a worldwide audience with an ad in the New York Times.

He went on to co-found the Flock web browser and helped to organize the first-ever BarCamp in Palo Alto in 2005. Later, he co-founded Citizen Agency with Tara Hunt, opening a shared work environment called Citizen Space, giving rise to the coworking movement.

Chris now works on DiSo, an effort that he co-founded with Steve Ivy, to facilitate the development of building blocks for the open, social web. He is also a board member of the OpenID Foundation and works part-time for Vidoop, a Portland-based provider of secure internet identity technologies.

He has spoken at numerous conferences around the world and has been quoted in national publications such as The New York Times, Business Week, LA Times, MIT Technology Review and Wired. Chris is well-known in the Web 2.0, open source, and startup worlds for his community advocacy and work on open standards initiatives like microformats, OpenID, OAuth and Activity Streams.