You can waste a lot of time on the Internet, but here is a survey of sites where you can put the Web to work.
Pesky ads pop up way too often.
It threatens our privacy. Try searching for information you need and you'll get swamped by 375 answers, most of them useless. . . . True enough, but let's consider the Web on a good day. With the right sites, and some good karma, you can find all sorts of useful information and even discover little treasures. Or a good deal on a camera.