Don't-Miss Web & social Stories

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Instagram might ditch Foursquare check-ins for Facebook

Reports indicate that Instagram is testing a switch to parent company Facebook’s check-in service for photo tags.

TV on Twitter: Tweets get you to tune in and click through, study shows

According to a new survey, 92 percent of Twitter users have taken action after seeing a tweet about a TV show.

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Small bitcoin exchange, Vircurex, teeters after large withdrawals

Vircurex had been trying to pay back losses incurred last year

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Twitter might soon tell you if anyone actually saw your tweets

Does anybody actually read what you tweet? Twitter is testing a new addition that will either give you validation or make you wonder if you're wasting your life.

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Report: Turkey cuts off a key Twitter workaround by blocking Google DNS

There's now one less way to connect to Twitter from within Turkey, but the social network isn't yet blocked entirely.

Twitter kills its music app, which never got much play

The app, which let people follow artists and play songs, will be removed from Apple's app store Friday

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Cloak maps your enemies and exes so you never run into them again

Want to avoid bumping into people you’re “friends” with on Instagram and Foursquare? There’s an app for that.

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Netflix CEO knocks Comcast in call for stronger net neutrality rules

The streaming media service may be getting improved speeds from Comcast now that it's paying for direct access to the ISP's network, but Reed Hastings doesn't sound too thrilled with the arrangement.

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Can’t stop the tweets: Turkey tries and fails to block Twitter

Graffiti artists are spray-painting DNS addresses on Turkish walls, as citizens do everything they can to duck the Turkish government's attempted censorship of Twitter.

bitcoin

Mt. Gox finds $116m worth of bitcoins

The failed exchange says it found 200,000 bitcoins that just suddenly disappeared.

on pcworld.com

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Wickr wants to spread its spy-level encryption to your favorite games and apps

The encrypted messaging app is selling its security tools to other companies to make money—and to make your information safer.

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Twitter's birthday celebration of first tweets proves we're all bad at Twitter at first

Every person’s first tweet was boring. That reminder might encourage new users to explore Twitter’s potential.

Bitcoin's software gets security fixes, new features

Bitcoin-QT, rebranded as Bitcoin Core, has more than six fixes for the so-called transaction malleability problem

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Use these online tools to pick a winning March Madness bracket

No promises, of course, but these Web resources can help you narrow down your NCAA tourney picks.