- Big Five publisher market share in 2013: 41%
- Big Five publisher market share in 2014: 38%
- Big Five publisher market share in 2015: 34%
- Self-publisher market share in 2013: 7%
- Self-publisher market share in 2014: 8%
- Self-publisher market share in 2015: 12%
- Self-pub + small publisher market share in 2013: 30%
- Self-pub + small publisher market share in 2014: 34%
- Self-pub + small publisher market share in 2015: 42%
- ComiXology.com launches: July 2007
- ComiXology launches a mobile comic bookstore locater: December 2008
- ComiXology launches online retail tools for comic bookstores: February 2009
- ComiXology launches a digital comic book reader and online store: July 2009
- ComiXology purchased by Amazon: April 2014
- ComiXology launches ComiXology Unlimited, a digital subscription service: May 2016
Sources: Glimpses of the US Market: Charts from Nielsen’s Kempton Mooney; ComiXology (Wikipedia)

Jane Friedman has spent her entire career working in the publishing industry, with a focus on business reporting and author education. Established in 2015, her newsletter The Bottom Line provides nuanced market intelligence to thousands of authors and industry professionals; in 2023, she was named Publishing Commentator of the Year by Digital Book World.
Jane’s expertise regularly features in major media outlets such as The New York Times, The Atlantic, NPR, The Today Show, Wired, The Guardian, Fox News, and BBC. Her book, The Business of Being a Writer, Second Edition (The University of Chicago Press), is used as a classroom text by many writing and publishing degree programs. She reaches thousands through speaking engagements and workshops at diverse venues worldwide, including NYU’s Advanced Publishing Institute, Frankfurt Book Fair, and numerous MFA programs.

