Five ways to use the Web—the world's largest photo gallery—to help you become a better photographer.

The Web has become an infinite photo gallery where we can show our best shots without stepping anywhere near a printer or photo lab. Increasingly, cyberspace is also where photographers go to learn technique and stay current. But browsers beware. "A lot of the advice and opinions you get on the Internet is just plain off," says photographer Bob Krist. "Anyone can put up a slick-looking website. I want to take my advice from someone who's making a living making pictures." With that in mind, Traveler asked some two dozen photographers—mostly professionals—to reveal their favorite hangouts in cyberspace.