Imagine your web application goes down in the middle of the night. It’s 2 AM, but your business is global. You have users in every time zone. They’re angry. They’re unable to purchase things on your website or are canceling their subscriptions. Money is being lost every minute your web application is down.
Suddenly, one of your developers is on the case! This developer shows a little anxiety and curses a lot (it is 2 AM after all), but eventually the problems are resolved. The application is running again and money is flowing into your business. Despite this kind of situation happening from time to time, you are comforted knowing that you always have this developer to save the day.
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