When I saw the title of this post, I was thinking it was going to be about 60 bit computing with 4 bit tags on the pointers. I generally thought this was a good

When I saw the title of this post, I was thinking it was going to be about 60 bit computing with 4 bit tags on the pointers. I generally thought this was a good idea way back when and am glad to see it re-appearing now... but noooo.....