![](https://sh.itjust.works/pictrs/image/bd5266c8-c05e-4a41-b0ec-941e805d6fab.webp)
![](https://lemmy.ml/pictrs/image/h1ChnLuBHr.png)
they’ve been around for some time now: https://www.reflectacles.com
Ghost uses a frame-applied material that reflects both infrared and visible light. In low light environments they will maintain your privacy on cameras using infrared for illumination and also block 3D infrared facial mapping during both day & night. The visible light reflection can make you anonymous in images/videos using a flash in low light.
OwnTracks allows you to keep track of your own location. You can build your private location diary or share it with your family and friends. OwnTracks is open-source and uses open protocols for communication so you can be sure your data stays secure and private.
ios + android ☞ https://owntracks.org