“One of my favorite queries is recruiting,” Zuckerberg said. “Let’s say we’re trying to find engineers at Google who are friends of engineers at Facebook.” He typed in the query and found, not surprisingly, that there were lots of people who met those criteria. Each one was represented by a little rectangle of information — their profile photo, along with snippets of key information like where they went to school, where they live, and the names of the mutual friends. “It’s like Facebook is this big database and you’re doing a lookup on the results that match,” Stocky said.