minor fixes

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Ilya Kantor 2021-02-02 16:56:39 +03:00
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# Promise
Imagine that you're a top singer, and fans ask day and night for your upcoming single.
Imagine that you're a top singer, and fans ask day and night for your upcoming song.
To get some relief, you promise to send it to them when it's published. You give your fans a list. They can fill in their email addresses, so that when the song becomes available, all subscribed parties instantly receive it. And even if something goes very wrong, say, a fire in the studio, so that you can't publish the song, they will still be notified.
Everyone is happy: you, because the people don't crowd you anymore, and fans, because they won't miss the single.
Everyone is happy: you, because the people don't crowd you anymore, and fans, because they won't miss the song.
This is a real-life analogy for things we often have in programming: