Kindle Device Unit Sales Accelerate Each Month in Second Quarter ... (Amazon.com)
www.techmeme.com/100719/p45#a100719p45
From the page
Saved with the link. Notes from 2007 to 2016 are mostly the page's own words, so this is probably an excerpt.
Amazon.com: Kindle Device Unit Sales Accelerate Each Month in Second Quarter; New $189 Price Results in Tipping Point for Growth — Amazon.com Now Selling More Kindle Books Than Hardcover Books — (NASDAQ: AMZN) — Millions of people are already reading on Kindles and Kindle is the #1 bestselling item on Amazon.com for two years running.