Amazon.com's search company A9 uses Google to comb the Web, but keeps innovating in other areas. The latest is the A9.com Yellow Pages. The company sent out specially equipped trucks with cameras and GPS receivers to take thousands of street-level pictures in 10 cities. As a result, when you type in a ZIP code and the word "pizza," you not only get the nearby parlors but pictures of their storefronts. And using "block view" you can virtually walk down the street to see what else is around. Then, with a single mouseclick, you can place an Internet phone call to order your pie. Pepperoni, please! -S.L.