2023
TheLinuxExperiment - FLATPAK EXPLAINED: Theming, permissions, command line, browser installs... of 15:31
    https://www.youtube.com/watch?v=IYXlgzrZRIE
2021
FedoraProject - The Present and Future of Fedora Flatpaks of 30:42
    https://www.youtube.com/watch?v=jx9ZXf3_IFw
    http://janberan.tech/wp-content/uploads/2021/08/Flatpaks_present_and_future.pdf
2019
LearnLinuxTV - Flatpak Tutorial - Setting up Flatpak and installing Packages 10:00 of 24:01
    https://www.youtube.com/watch?v=31WRiI1nk8Q
EricAdams - How Flatpaks changed the way I use Linux of 11:44
    https://www.youtube.com/watch?v=bFHfmWPaTJ8