What do I use Plan 9 for?

I use it for what it was designed for. Writing code and hacking. Writing kernels for Arm and Mips boards, so I can run 9Front on them. Then writing drivers for various devices I can attach to those Arm and Mips boards to get new and interesting functionality out of them. Controlling various IoT devices, and then exploring ways to make it all work seamlessly together over the network. Videos I mentioned; Jeff Geerling's CO2 sensor    • Your home's air could be making you sick. ...   My CO2 sensor    • Adding to the Grid;  Listening to CO2 Leve...   My Wiz bulb filesystem    • wizfs: A 9Front file server for Wiz light ...   CO2 sensor code https://github.com/adventuresin9/scd40fs Wizfs code https://github.com/adventuresin9/wizfs Other 9Front and related projects https://shithub.us/