announces the Lightroom 4 Learning Site, Las Angeles, Calif., announces the free Lightroom 4 Learning Site, in the wake of Adobe’s announcement of Lightroom 4. Topics include the new processing engine, maps and books module, to how to apply presets to video. The site also includes free Lightroom 4 presets that users can download and apply to their own images and videos, as well as a new comprehensive, more than 10-hour DVD covering all aspects of Lightroom 4. The lessons are all taught by Colin Smith, a leader in Lightroom and Photoshop instruction.