Apps and platforms relying on Amazon Web Services (AWS), Amazon’s cloud computing service, were in a jam this morning after an hours-long outage took down a sizable chunk of the world’s internet — in a striking example of how infrastructure consolidation makes the modern internet vulnerable to a failure by a single major provider.

The affected platforms ranged from messaging apps like Snapchat and Signal to video games like Roblox and Fortnite, as well as financial service platforms like Venmo, Robinhood, and Chime, according to the Associated Press. Even the AP‘s online newswire services were affected — along with corporate systems tied into the consumer supply chain, like those used by United Airlines, Delta, T-Mobile, and AT&T.

Devices relying on AWS were also disrupted, like Amazon’s

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