name: Temporary Containers author: stoically license: MIT/X11 License description: Open tabs, websites, and links in automatically managed disposable containers extensionUrl: https://addons.mozilla.org/en-US/firefox/addon/temporary-containers/ privacyPolicy: https://addons.mozilla.org/en-US/firefox/addon/temporary-containers/privacy/ repo: https://github.com/stoically/temporary-containers name: HTTPS Everywhere author: EFF license: Custom (GPL v2+, AGPLv3+) description: Automatic https extensionUrl: https://addons.mozilla.org/en-US/firefox/addon/https-everywhere/ privacyPolicy: https://addons.mozilla.org/en-US/firefox/addon/https-everywhere/privacy/ repo: https://github.com/EFForg/https-everywhere name: Privacy Badger author: EFF license: GPLv3 description: Automatically learns to block invisible trackers extensionUrl: https://addons.mozilla.org/en-US/firefox/addon/privacy-badger17/ privacyPolicy: https://addons.mozilla.org/en-US/firefox/addon/privacy-badger17/privacy/ repo: https://github.
Talking over two cans (or cups) and a string actually works. It is necessary to keep a tight string between the two ends, usually requiring a direct line. So long as the string is tightly secured, it will carry voice data. Example setup: Prerequisites: 2 people 2 paper cups 1 long non-stretchable string (e.g. kitestring) 1 hole puncher (needle, awl, etc) tape or good knot tying skills Method: