Re: Hello Microsoft!
15? Make that 25+! I had virtual workspaces with fvwm in the mid-nineties. (when RAM was about 100quid per megabyte).
Pet peeve: Why do all X11 window managers default with click to focus these days? Don't they
know the one-true system is focus follows mouse? (Focus follows eyes being a pain when you're looking out of the physical window).