Cosmic rays hit computer RAM all the time. If your RAM is not ECC protected, it will likely flip a random bit. A single bit in billions of bits. Does it matter? Yes. Yes it does.
My earliest prototype used ascii characters for snakes and fruit. This had a problem - since terminal characters are twice as tall as they are wide, vertical movement felt much faster than horizontal movement:
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Мощный удар Израиля по Ирану попал на видео09:41，更多细节参见heLLoword翻译官方下载
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