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Joey Novak: Developer Tools That Make Money!
Joshua Strebel: Bootstrapping Your Venture
Kyle Theisen: How To Create A Backend Your Clients Will Actually Use
Michael Bastos: Implementing WordPress Constants
Ryan Garey: Sales Hacks For Developers
Andrew Norcross: WP401
Helen Hou-Sandi: Maintaining a Beautiful WordPress Admin UI
Seth Carstens: Smartphones and Tablets and Bears, OH MY!
April Holle: WP101 Part 2
April Holle: WP101 Part 1
Greg Taylor: WordPress for Musicians, Artists, Writers, Butchers, Bakers & Candlestick Makers
Greg Loumeau: WP101 Rocking in the Free World
Lance Willett: Navigating the Theme Landscape
Josh Ziering: Promoting Your Site
Robert Rowley: WP Security 101