alt Hacker NewsYour house already has a built-in notification system, which can be activated by the delivery guy, once he is physically at your location.
Your house already has a built-in notification system, which can be activated by the delivery guy, once he is physically at your location.
A built-in notification system that everyone from your local politician asking for your vote to your Jehovah Witness recruiter can and does abuse. Way to waste your time.