Building Social Web Applications Copyright 2009 Gavin Bell. All rights reserved Printed in the United States of America Published by O'Reilly Media, Inc, 1005 Gravenstein Highway North, Sebastopol, C CA95472. O'Reilly books may be purchased for educational, business, or sales promotional use Online editions arealsoavailableformosttitles(http://mysafaribooksonline.com).Formoreinformationcontactour corporate/institutionalsalesdepartment:(800)998-9938orcorporate@oreilly.com. Editor: Simon St laurent Indexer: Lucie Haskins Editor: Loranah Dimant Cover Designer: Karen Montgomery Audrey Doyle Interior Designer: David Futato Proofreader: Loranah Dimant Illustrator: Robert romand ember 2009: First Edition Nutshell ok, the Nutshell Handbook logo, and the O'Reilly logo are registered trademarks of O'Reilly nc. Building Social Web Applications, the image of garden spiders, and related trade ks of O'Reilly Media, Inc Many of the designations used by manufacturers and sellers to distinguish their products are claimed as rademarks. Where those designations appear in this book, and O'Reilly Media, Inc was aware of a trademark claim. the d ions have been printed in caps or initial caps While every precaution has been taken in the preparation of this book, the publisher and author assume no responsibility for errors or omissions, or for damages resulting from the use of the information con- tained herein ISBN:9780-596-51875-2 IMI 1252956734Building Social Web Applications by Gavin Bell Copyright © 2009 Gavin Bell. All rights reserved. Printed in the United States of America. Published by O’Reilly Media, Inc., 1005 Gravenstein Highway North, Sebastopol, CA 95472. O’Reilly books may be purchased for educational, business, or sales promotional use. Online editions are also available for most titles (http://my.safaribooksonline.com). For more information, contact our corporate/institutional sales department: (800) 998-9938 or corporate@oreilly.com. Editor: Simon St.Laurent Production Editor: Loranah Dimant Copyeditor: Audrey Doyle Proofreader: Loranah Dimant Indexer: Lucie Haskins Cover Designer: Karen Montgomery Interior Designer: David Futato Illustrator: Robert Romano Printing History: September 2009: First Edition. Nutshell Handbook, the Nutshell Handbook logo, and the O’Reilly logo are registered trademarks of O’Reilly Media, Inc. Building Social Web Applications, the image of garden spiders, and related trade dress are trademarks of O’Reilly Media, Inc. Many of the designations used by manufacturers and sellers to distinguish their products are claimed as trademarks. Where those designations appear in this book, and O’Reilly Media, Inc. was aware of a trademark claim, the designations have been printed in caps or initial caps. While every precaution has been taken in the preparation of this book, the publisher and author assume no responsibility for errors or omissions, or for damages resulting from the use of the information con￾tained herein. ISBN: 978-0-596-51875-2 [M] 1252956734