In instances such as those, Graph Search is complementary, not competitive, to the other search tools, she said.
However, it's too early to judge the new system's usefulness, given that Graph Search is still in its infancy and Facebook has had its false starts in the past, such as with its now-scrapped Questions application, analysts said.
"Facebook is not infallible," Opus' Sterling said. "Graph Search will add value to the search experience, but how far beyond it remains to be seen."
Others see Graph Search, which is designed to index the roughly 1 trillion connections among Facebook's 1 billion-plus users, as no game-changer in the end.
"It's still just site search," Forrester Research analyst Nate Elliott wrote in a blog post on Tuesday. "Will this feature go head-to-head with Google? I seriously doubt it; the two indexes contain entirely different kinds of information," he wrote.
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