Amazon has three new Kindle Paperwhites coming out Oct. 27:
Kindle Paperwhite — starting at $139.99 + four free months of Kindle Unlimited
Kindle Paperwhite Signature Edition — $189.99 + four free months of Kindle Unlimited
Kindle Paperwhite Kids — $159.99 + one-year subscription to Amazon Kids+
Apple isn't the only tech giant rolling out some...