and dare i add to that also transparency. PureOS is a pure OS out-of-the-box. namely it is free-software through and through. from the firmware to the GNU programs that come install with it to the desktop-environment most of us use to interact with the drivers which interact with the firmware which interacts with the hardware. this ultimately means that every piece of code is available and documentation is available for the hardware.
it isn’t perfect but it’s getting there … SLOWLY > The Purism Freedom Roadmap – Purism