A new app that lets users' friends 'virtually walk them home at night

www.businessinsider.com

_"Those contacted [by the person going home] receive an SMS text message with a hyperlink in it that sends them to a web page with an interactive map showing the user walking to their destination. If the user strays off their path, falls, is pushed, starts running, or has their headphones yanked out of their phone, the app detects these changes in movement and asks the user if they're OK._ _If the user is fine, they press a button on the app to confirm within 15 seconds. If they do not press the button, or a real emergency is occurring, the Companion app transforms the user's phone into a personal alarm system that projects loud noises to scare criminals from the scene, and gives you the option to instantly call the police."_ A form of computerized, decentralized, little brother, peer to peer surveillance system. The problem with this is that, just like cameras, it won't be able to do anything if someone still decides to attack you. Cameras are great but never saved the life of someone who was being assaulted - unlike cops deployed on the streets. Typical machines vs humans debate: machines have price and pervasiveness, humans bring effective safety but limited range.

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