Ever see a color you'd love to use to paint a room? Take a picture with your iPhone and use the ColorSnap application to identify the corresponding Sherwin-Williams paint color and coordinating palette. The application also allows you to save the color to a "My Saved Colors" library. No more hours of guesswork in the paint aisle. Best of all, it's a free download. Give it a try and let us know how it works for you in the comments section below.