by Amy Palermo
You can click and drag a layer to the Create A New Layer button at the base of the Layers panel to create a duplicate of that Layer. But with a keyboard combination and a slight nudge, you can do the job even more quickly. Just press and hold in Windows) and then click on any layer thumbnail in the Layers panel and drag it slightly in any direction and release. Photoshop will create a duplicate of that layer in the Layers panel in the blink of an eye!