Microsoft, Google expand search-engine tools

Say you're buying a dog. You know the breed you want; you can picture it in your head. But what was the name? A bull terrier? A pit bull? A bull mastiff?

Or what if you're in the market for a new camera? You saw a friend with a credit-card-thin model at a party last weekend. But was that a Canon? A Nikon? A brand you've never heard of?

If you're like many people, you'd turn to the Internet for answers. But you type in "dog breeds" or "digital cameras" into Google and punch enter, and a big list of blue links comes up. You don't see the dog you want. You don't find the camera, either -- at least not quickly.

Such quandaries are the driving force behind Bing's new "visual search" function, which lets Web users troll through image catalogues instead of Web pages when they know what something looks like but can't put their finger on the name.

The examples are also evidence that the search engine market, once dominated by simple rectangular search bars and the lists of Web pages that follow, is diversifying. People who once were happy with a one-search-fits-all model are finding exceptions, and a number of niche search products are trying to respond to these increasingly diverse needs.

Also this week, Google introduced a test product called Fast Flip, which takes a retro look at Web design by making online news look like something magazine readers will find familiar. Link...