As a “charter” Kindle owner who has upgraded to the newer models, I echo what other “older” readers (I’m 70) are saying:

As a “charter” Kindle owner who has upgraded to the newer models, I echo what other “older” readers (I’m 70) are saying:
Love the text size adjustments!

Love the sample downloading! I explore topics that may have interested me but which I wouldn’t take time to pursue in a solely printed world.

Love engaging my mind in a far more active mode than ordinary “passive” reading of printed material! The ability to instantly see definitions on each page and quick-click to more expansive definitions clearly invigorates my brain.
(confirming research cited by Ellen Jakesenner earlier).

— Marcie Ver Ploeg