What happened: A multi-day outage shut down many popular social media sites based on Amazon.com's cloud service. Among the companies affected by the outages were widely used websites and Web-based services such as Foursquare (pictured above), HootSuite, Reddit and Quora. The apology: Amazon's Web Services unit issued an apology April 29 at the end of a 5,679-word letter that explained what caused the temporary failure. "Last, but certainly not least, we want to apologize. We know how critical our services are to our customers' businesses and we will do everything we can to learn from this event and use it to drive improvement across our services. As with any significant operational issue, we will spend many hours over the coming days and weeks improving our understanding of the details of the various parts of this event and determining how to make changes to improve our services and processes."
Foursquare / Associated Press
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