DumBirb

One pinto bean please

If one password is leaked, it should let you change the key for just that one service. Eventually, you could have a bunch of different keys for different service. But then you will need some manager for remembering all those different secrets. Yay!

I see they have a counter that maybe you can set? Then I guess you just need a manager to store the counters, which seems fundamentally the same

You gain no reduction in volume or weight, and no increase in usable screen real estate.

Isn't that just how folding works? You trade off dimensions.. a double thick square is much easier for my small hands to grab and stuff in my pocket, compared to a long rectangle