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Facebook testing mobile searches for old posts

The feature lets users search for posts they've previously seen from friends and Pages.

on pcworld.com

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Facebook isn't giving up on search

CEO Mark Zuckerberg says his company's indexing efforts are a years-long process.

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Google adds Bitcoin exchange rates to instant search answers

Want to know how much your stash of Bitcoin is worth? Google it!

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Google search warns mobile users of potential Flash clash

Sites that rely heavily on Flash elements will soon be flagged in mobile Google searches.

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Google starts removing 'right to be forgotten' search results

European Google users may now see a warning when they search for a name

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Bing, algorithms claim United States is doomed in World Cup

The collective wisdom of Microsoft's Bing and other predictive algorithms say that the United States will be an early exit from the World Cup soccer tournament, which kicks off this week.

on pcworld.com

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Google search update adds recipe filters to help you make dinner tonight

Now you can filter recipe searches by ingredients, how long it takes to make, and how many calories it has.

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Windows Phone 8.1 users can now rack up Bing Rewards

Microsoft finally brings the gift card program to its own mobile platform.

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DuckDuckGo, the search engine that doesn't track you, finally challenges Google

Watch out Google: DuckDuckGo can compete on more than privacy now.

on pcworld.com