I had occasion to revisit Data Guy’s January 2018 Author Earnings Report this week. And I found Data Guy has quietly slipped in new numbers for 2015 and 2016 US ebook market. Said Data Guy on May 31 this year, slipped into the comments thread, four months after the main report went live, US ebook sales totaled … Continue reading Data Guy rewrites the historical Author Earnings US ebook statistics. 2016 US unit ebook sales of 487 million now 525 million. What are we to believe?