https://gnulinux.ro/blog-page-8759-firefox-960beta-significant-improvements-in-noise-suppression-and-auto-gain-control-slight-improvements-in-echo-cancellation/blog/cat/5/blog-page-8758-tails-425-is-out-with-utility-to-make-a-backup-of-the-persistent-storage-to-usb-stick