He describes the time, in the mid-nineties, when Jerry Yang and David Filo took him to visit their campus trailer, which was littered with pizza boxes and soda cans, to show off a directory of Web sites called Yahoo.
The China Internet Network Information Center, which answers to China's Ministry of Information Industry, controls the master "directory" of ".cn" Web sites.
These novel products are called mashups, a marriage of bits of two or more Web sites to create a third product: a directory of pizzerias on a neighborhood map, for example, to show where the nearest deep-dish resides.