Lots of blind people have blind friends, so This game of cat and mouse takes place regularly. It can be funny but it's certainly a little frustrating.
As smart phones are fast becoming a basic part of a blind person's toolkit, it's perhaps not surprising that someone has now created "an app for that".
People Finder has a very basic but accessible interface. Like mainstream products with similar aims, such as Grindr for the gay community and Spotme for networking at conferences, you have to have the app running if you want to meet up with people in your circle.
It alerts a user, via a vibration and a noise, when someone else with the app comes within 50 feet. It uses Bluetooth to detect people.
As you search for your friend, the app will let you know how close you are, by saying "near" or "cold" as you walk around.
To aid social niceties, There's the option to message the person through the app to say you've clocked them, before descending on them.
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