Zach MinersU.S. Correspondent, IDG News Service

Zach Miners covers social networking, search, and general technology news for the IDG News Service, and is based in San Francisco.

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Facebook 'riffs' on Snapchat with new group video app

Facebook's Riff app lets users create short videos, which their friends can add to.

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Verizon subscribers can now opt out of 'supercookies'

'This is an improvement, but it doesn't do nearly enough,' one privacy advocate said.

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Jay Z's Tidal doubles down on streaming for audiophiles

Tidal offers CD-quality streaming music across mobile and the desktop.

PCWorld News

Facebook reveals the logic behind its forced Messenger split

It made Messenger a separate app and then turned it into a platform all its own

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Slack hacked, compromising users' profile data

Slack has added two-factor authentication as a response.

PCWorld News

At Facebook, a sharpening focus on virtual reality

At its F8 conference, executives helped illuminate some of the company's plans

PCWorld News

WhatsApp not as open as Messenger to outside developers

WhatsApp has no immediate plans to offer APIs to outside developers, its cofounder said

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How Messenger chats factor into what you see in Facebook's News Feed

Engineers shed light on Facebook's ranking algorithm during a talk at F8.

Facebook extends Parse to support Internet of Things apps

Facebook steps into the connected-home arena

The social networking company extends Parse, a collection of back-end development tools, outside developers to build apps that interface with connected-home devices such as garage-door openers.

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Google said to prep billing payment service for Gmail

The Google Gmail Pony Express bill-paying service could yield valuable e-commerce activity data for Google, and add another free convenience to users.

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Twitter tests videos that play automatically

Users of the company's iOS apps in the U.S. may start seeing the videos.

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Twitch hit by possible data breach, resets user passwords

Twitch is recommending users also change their passwords on other sites

PCWorld News

Facebook Messenger as a platform? It's a gamble

Facebook is reportedly going to announce at its F8 conference that Messenger will be open to third party developers

PCWorld News

Leaked US antitrust report on Google adds weight to rivals' complaints

Google inflated rankings for its own services and scraped other companies' content, the report says

PCWorld News

Yahoo exits China, closing R&D center

The company reportedly is laying off between 200 and 300 workers