Sigh I watched a colleague once spend half an hour to get a classroom PC booted, mirrored to the projector, calibrated to the interactive whiteboard and a pres

Sigh I watched a colleague once spend half an hour to get a classroom PC booted, mirrored to the projector, calibrated to the interactive whiteboard and a presentation converted to the whiteboard software. Endless reboots, popups about out of date software, error messages, popups from the system tray that had to be clicked on, popups from Powerpoint.... So over that 30 years we are talking how many lifetimes wasted?