A curious detail that would so soon be replaced by thermal receipt printers.
This overhead is mandated by the spec's reliance on promises for buffer management, completion, and backpressure signals. While some of it is implementation-specific, much of it is unavoidable if you're following the spec as written. For high-frequency streaming – video frames, network packets, real-time data – this overhead is significant.
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Internal storage is limited
Researchers fear that most Emperor Penguins colonies could be wiped out by 2100
「我們以前每個月會外出吃兩次飯，」住在伊朗第二大城市伊斯法罕（Isfahan）的瑪爾珍（Marjan） 說，「現在我們根本不能去了。我們必須把那筆錢省下來付房租。」