It would make a killer portable desktop if they can make the resolution good enough and the headset light enough (rumours of external batteries are interesting). BYOKM, and you have a 50" screen in front of your mac where you are. With AR, you can easily still connect with your environment. That's what I think Apple's end game is.
I've been looking into Safari Tabgroups after watching MacSparky's thoughts on them. I'm sure I will mess this up all the time, but with SF Symbols, it looks pretty organised.
One of my favourite podcasts just posted its last episode. I'll miss the talks, but fortunately, there is a great back catalogue that I highly recommend looking into.