My main takeaway is that I don't mind the Colorsoft, but it also doesn't solve any problems I was having with the monochrome Kindle Paperwhite, and it doesn't meaningfully solve the big problems ...

Type 1 tubes were thin, septate, and branched. Type 2 tubes were wider, with smooth double walls and no internal cross-walls. Type 3 tubes were thickest, and featured ring-like thickenings that do not ...