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About the Author: David Marx is a digital photography instructor whose engaging teaching style inspires photographers of all skill levels. David is an Adobe Certified Photoshop and Photoshop Lightroom Expert. David has led Adobe Photoshop / Photoshop Lightroom seminars and digital photography field workshops for The Rocky Mountain School of Photography, FirstLight Workshops, The American Society of Media Photographers, and the world-renowned Blackberry Farm Resort. To learn more about David's software seminars and field photography workshops, please visit www.davidmarx.com.