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Photo: Jaap Arriens/NurPhoto via Getty Images

A number of Facebook users were surprised Tuesday when some of their old posts disappeared — specifically, all the updates that had been cross-posted from Twitter. It turns out Twitter was surprised, too.

The bottom line: Facebook had announced in January that it was removing a feature that allowed people to cross-post updates from Twitter. As a result, Twitter deleted its Facebook platform app, which had been rendered useless when the changes went into effect earlier this month. But it had no idea old posts would go away once the app was removed.

Here's what happened, according to a source close to Twitter.: Twitter had initially asked Facebook for more time to see if there was a way for users to continue joint posting to both social networks, but Facebook said no.

As a result, the Twitter app for the Facebook platform was essentially made useless earlier this month once Facebook officially removed the ability to cross-post. With the app's sole function eliminated, Twitter decided to delete it from the Facebook platform, having no reason to think that doing so would remove old tweets that were cross-posted. It's not clear whether Facebook knew this would happen, either.

That said, the content has apparently now been restored.

“A Twitter admin requested their app be deleted, which resulted in content that people had cross-posted from Twitter to Facebook also being temporarily removed from people’s profiles," Facebook said. "However, we have since restored the past content and it’s now live on people’s profiles.”

Why it matters: The deletions were brief, but the snafu served as a reminder that it’s not always clear who has control over user data on giant social platforms — and it’s often not the user.

Go deeper

Felix Salmon, author of Capital
1 min ago - Economy & Business

The places regulation does not reach

Illustration: Aïda Amer/Axios

Financial regulation is not exactly simple anywhere in the world. But one country stands out for the sheer amount of complexity and confusion in its regulatory regime — the U.S.

Why it matters: Important companies fall through the cracks, largely unregulated, while others contend with a vast array of regulatory bodies, none of which are remotely predictable.

Trump nominee Christopher Waller confirmed to Fed board

Christopher Waller at a Senate Banking hearing earlier this year. (Photo: Sarah Silbiger/Getty Images)

The Senate voted 48-47 on Thursday to confirm Trump nominee Christopher Waller to the Federal Reserve Board of Governors — filling one of the two vacant slots on the influential economic body.

Why it matters: It's one of the last marks left on the Fed board by Trump, who has nominated five of its six members.

46 mins ago - Economy & Business

Boeing gets huge 737 Max order from Ryanair, boosting hope for quick rebound

Ryanair low cost airline Boeing 737-800 aircraft as seen over the runway. Photo by Nik Oiko/SOPA Images/LightRocket via Getty Images

Dublin-based Ryanair said it would add 75 more planes to an existing order for Boeing's 737 Max airplanes, a giant vote of confidence as Boeing seeks to revive sales of its best-selling plane after a 20-month safety ban following two fatal crashes.

The big picture: Ryanair's big order, on the heels of breakthrough vaccine news, is also a promising sign that the devastated airline industry might recover from the global pandemic sooner than expected.