Gaussian Blur is a filter that blurs an image. But it's also the math behind the Feather command, drop shadows, and everything that is soft in Photoshop. Watch this video and learn why Gaussian Blur is so important. Whether you're new to Adobe's popular raster graphics editing software or a seasoned professional just looking to better acquaint yourself with the program and its various features and filters, you're sure to be well served by this video tutorial. For more information, including detailed, step-by-step instructions, watch this free video guide.