
"iPhone, of course, is a word very few people typed in a search box in 2006," said Marissa Mayer of Google, an Internet search engine. "It didn't exist."
Apple rolled out the iPhone, which is a mobile phone, music and video player and Internet browser device, in the United States last summer.
Four social networking sites made the top 10, including Webkinz, which grabbed the No. 2 slot. Webkinz is a stuffed animal that customers can register and play with online.
Celebrity news Web site TMZ ranked third, while transformer toys took the No. 4 slot.

