Sarah Milstein writes, speaks and consults frequently on Twitter. A Web 2.0 strategist and co-founder of 20slides.com, a site for lively, work-related workshops, she is the author of "Twitter and the Micromessaging Revolution," an O'Reilly Media research report. Previously, she was on the senior editorial staff at O'Reilly, where she founded the Tools of Change for Publishing conference (TOC) and led the development of the Missing Manuals, a best-selling series of computer books for non-geeks. She's also written for the series, co-authoring "Google: The Missing Manual."
Before joining O'Reilly, Sarah was a freelance writer and editor, and a regular contributor to The New York Times. She was also a program founder for Just Food, a local-food-and-farms non-profit, and co-founder of Two Tomatoes Records, a label that distributes and promotes the work of children's musician Laurie Berkner.
(author, Chapters 8 and 9, previous edition) is O'Reilly Media's Chief Technology Officer. He has co-authored various O'Reilly books, including Mac OS X Hacks, Google Hacks, Essential Blogging, and Peer to Peer: Harnessing the Power of Disruptive Technologies, and he's program chair for the O'Reilly Emerging Technology Conference. Email: googlemm@raelity.org.