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If you take a look at the File menu you'll see a command, about midway down, called "Save for Web & Devices." It's actually two commands. There's the "& Devices" part, which lets you save an image for display on virtually every cell phone except the iPhone. No offense, but if I had to rank this feature, I doubt it'd make my Top 10,000.

But the first part of the command, "Save for Web," that part rocks. It lets you downsample and compress an image for dissemination on the Web. Not to mention jettison all extraneous information and convert the colors to sRGB, the color space of the people. Plus you can compare the Web-optimized image to the original and thereby judge what gets lost in the translation. In other words, Save for Web does everything it can to produce slim, trim, and ultimately beautiful Web graphics. Read more »