In Japan, they put a barcode in the meat package that darkens when the meat spoils, reacting to ammonia. When it darkens, the barcode is unreadable.1yr ⋅ tbrk ⋅ r/antiassholedesign
Gmail's option to pause mobile notifications while using desktop/browser2yr ⋅ tbrk ⋅ r/antiassholedesign