Idea b was the sole reason for me suggesting this change! I'd skim read a few threads at work with the aim of posting later but by time I logged in again at home it was impossible to know which threads it was as they would all disappear.
Well it's half way there!!!!
Just need this feature (today's active topics) to save time trawling through the site... Your actual suggestion was for topics that you hadn't read to still be there when you come back, which they are
I know, I never said it wasn't