Deke gets things started with a pair of options that can clean out Photoshops plumbing when things get clogged up: Reset and purge. America likes its lists, and here’s another one. Imaging expert and award-winning author Deke McClelland presents his list of the top 40 features in Photoshop—beginning with #40 and working his way up to #1—one weekly video at a time. Some are tools, others are commands, still others are conceptual. All are invaluable. Learn these 40 features and you’ll know Photoshop.