Online photo editors have existed for years, but early versions were often slow to show the changes you made to your images. displays the effects of your work as you do it, enabling you to see just how your picture will look as you pump up the contrast or sharpness. This free service includes most of the tools amateur photographers will need-in addition to adjusting brightness and hue, you can eliminate red-eye, smooth over wrinkles, and more. You can even "Obamify" your images, making the subjects look as though they're in the iconic campaign poster.