The way Registax works and the way this works is different. Registax is basically used for stacking images taken in the same position over a short period of time, you don’t expect lots of changes in-between frames. This has been done in astronomy for quite a long time.

Yeah, most people with e-readers I know almost never upgrade their e-readers. Some people even love their older series they stock two or three in case theirs broken in the future. I think this is one of the reasons Sony discontinued their e-reader series.

Yeah, previously I was a non-believer of e-reader as well. I read quite a lot, and reading on my phone after working in front of the computer all day really made my eyes tired.

If you’re into reading in the bathtub and don’t mind Kobo, Kobo Aura H2O is supposed to be water resistant (I have Kobo but not that one so I don’t know its performance)

I think to see whether there’s a person posting this and there is!

I usually use the Send to OneNote Tool to grab something from my screen with Windows+S. For me it’s more useful than doing screenshot because I can choose the area grabbed. After that I can annotate it with notes in OneNote.