> distinguish if you were in a house, fire engine, office complex If water is us... | Hacker News

Hacker News new | past | comments | ask | show | jobs | submit

login

slededit on April 29, 2018 | parent | context | favorite | on: 'Demonically Clever' Backdoor Hides Inside Compute...

> distinguish if you were in a house, fire engine, office complex

If water is used primarily between 9-5 in large quantities: office building

If water is used during breakfast and dinner: home

Fire engines also have very distinct water usage patterns and pressures.

I bet you could easily get to >90% accuracy quickly.

martyvis on April 30, 2018 [–]

This reminds of only learning about the existing of light level geolocation that uses only an accurate clock recording ambient light level to determine longitude and latitude of migratory birds - https://en.wikipedia.org/wiki/Light_level_geolocator

Consider applying for YC's Spring batch! Applications are open till Feb 11.
Guidelines | FAQ | Lists | API | Security | Legal | Apply to YC | Contact