That is the obvious point. Facebook
search necessarily has to be social, relying on data
Facebook already has. Of course.
Why Facebook's Search Engine Won't Be Anything Like Google's
By mining users’ updates about vacations, music listening interests, online habits, and more, Facebook Search could be better at answering subjective questions, about what products, experiences, and businesses you might be interested in, than a traditional search engine. ..... “Because Google is so big,” says Gerasoulis, “they have data for the long tail”—the uncommon queries for which relatively few pages are a match. .... Since 2009, the Redmond company has spent more than $5 billion on Bing ..... serves only 15 percent of U.S. searches, compared with Google’s 65 percent. .... answering queries about the things that people share and discuss on Facebook, such as vacations, movies, recipes, and more. “When you go to specific subjects, the signals Facebook and other social networks have are amazing,” says Gerasoulis. ...... Mining users’ comments could help Facebook unlock even more useful data ..... “Facebook and Twitter both have teams working on search” ..... Digging deep into social data can uncover a wealth of information and forgotten content related to things people care about ... most of it not accessible by conventional search engines. ...... “Search is about what you want right now,” says Gerasoulis. “You go to Facebook and hang out; it doesn’t currently have the same directness.”