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How to use Tumblr's new two-factor authentication

Tumblr joins a large number of online services that are making it harder for hackers to break into your account thanks to two-factor authentication.

on techhive.com

Twitter enters adolescence, seeks its next adventure

Twitter faces growing pressure to attract new users and dramatically increase engagement on the platform. Can it ever rival the numbers and growth of Facebook?

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LinkedIn gives users the blocking feature they sought

A new function will let users block certain inquiries or individuals and remove them from a user's network.

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Report: Marketing firm may buy Klout for $100 million

Lithium Technologies will pay more than $100 million, according to published reports

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Twitter tries to figure out Microsoft's new CEO

Twitter users chime in: Satya Nadella? Who is this guy?

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Yahoo acquiring Tomfoolery, a social networking startup for business

Tomfoolery's Anchor product will be shut down, the company said

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Report: Spy agencies collude to gather personal data from mobile apps

The targeted apps have included the mobile versions of Facebook, Yahoo’s Flickr, LinkedIn and Twitter, according to reports in The New York Times, the Guardian and ProPublica.