At Facebook’s big event today, the social network finally offered a peek at what it’s building: a search tool called Graph Search, or what CEO Mark Zuckerberg is calling the company’s “third pillar” of its ecosystem. No, it’s not quite a “Google killer” search engine, but it is one step closer to realizing all those hints at some form of a Facebook search apparatus that garnered plenty of attention last year.
Zuckerberg made it clear that Graph Search, which is in beta, isn’t Web search, and that it gives users a more personal, differentiated experience. But only the most na
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