EPUB usage

I’ve shared these numbers with you before (for 2016), but I just ran the 2017 ones, and I thought you would all appreciate them.

-Rick

EPUB vs. PDF usage on the VitalSource platform

In 2016
Top 25 titles: 24 EPUB, 1 PDF
Top 50 titles: 46 EPUB, 4 PDF
Top 100 titles: 77 EPUB, 23 PDF
Top 250 titles: 141 EPUB, 109 PDF
Top 500 titles: 233 EPUB, 267 PDF


In 2017 (to date)
Top 25 titles: 25 EPUB, zero PDF
Top 50 titles: 48 EPUB, 2 PDF
Top 100 titles: 81 EPUB, 19 PDF
Top 250 titles: 159 EPUB, 91 PDF
Top 500 titles: 239 EPUB, 261 PDF