Comment on This automatic faucet that need the hands to be between the wall and the water to turn on.
dhork@lemmy.world 5 months ago“Five Nines” typically refers to something that works 99.999% of the time, which still allows for 1 screw-up out of 100,000.
bolexforsoup@lemmy.blahaj.zone 5 months ago
Huh truly a TIL. Never heard this in my life.
shalafi@lemmy.world 5 months ago
I learned it working telecom. For example, if you wish to offer 911 service, your service has to be operational 99.999% of the time.
It’s more casually used to mean a service or operation is insanely reliable.
bolexforsoup@lemmy.blahaj.zone 5 months ago
Right makes sense! I like it haha