It was the second rakat of Maghrib prayer when the sound of a rhythmic, high-pitched ringtone shattered the silence of the mosque. It wasn’t mine, but the collective flinch of fifty people in the room was palpable. The culprit looked mortified, frantically tapping their screen to kill the noise...
Source: [Dev.to](https://dev.to/haseebthedev0/architecting-a-low-power-geofencing-engine-lessons-from-battery-optimization-in-muffle-4h5k)