I think the selling point with Pocket is that it removes all the clutter on a webpage. But this is such a basic thing that if other services don't provide this, I'd be astonished. Anyway, bit fragile in my opinion to choose a device based on the support of a single service that could be discontinued any time.
Thanks for the tip, LucyOne. I'll check it out. I assume it's this:
https://addons.mozilla.org/en-US/and...don/kindle-it/