For Adobe Photoshop Lightroom users who have mastered the basics, check out Lightroom Killer Tips for shortcuts and ways to use the program more efficiently. For example, the site explains how the history panel works and how to use it (for example, Lightroom automatically saves all the edits you make, even after you close the program). The tips on the site often include videos so you can follow along step by step.
—Melissa Macatee
Contributing Blogger