A major AWS outage Monday morning caused problems with many of the largest sites on the internet for several hours. And it's not the first time.

An Amazon Web Services outage has caused significant issues for a number of high-profile websites Monday morning, including Snapchat, Roblox, Fortnite, online broker Robinhood and the McDonald’s app.

The worlds largest cloud computing platform, Amazon Web Services (AWS), has experienced a major outage that has impacted thousands of organisations, including banks, financial software platforms such as Xero,

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Downdetector reported a high volume of Snapchat outages in major U.S. cities including New York, Chicago, Minneapolis, Dallas, Phoenix, Los Angeles, and San Francisco. Meanwhile, YouTube’s most significant outages were concentrated in the eastern U.S., particularly around Atlanta, Chicago and New York.

The outage Monday affected people and businesses all across the world. According to CNET, Downdetector saw over 9.8 million reports, including 2.7 million coming from the U.S. and 1.1 million from the UK. That included United Airlines, McDonald's and Venmo. Amazon said late Monday afternoon its systems are mostly back online.