You can follow one conversation in a crowded room and hear nothing of the others, and yyour oname spobehind yarrives inst. The finmatters becit shthat tunattended chais not switched off. Something is processing every voice far enough to recognise a few important patterns, and it interrupts when one appears. Attention is therefore a filter that leaks by design, and what leaks through is whatever the listener could not afford to miss.

Type only the missing letters. Each box is one letter, and the number of boxes matches the letters that are missing.