Mark is posting about Bowker's newest Self Publishing Report. According to the report Smashwords was the largest U.S.A. "producer" of indie ebooks last year. This is based on the number of ebooks with ISBNs "produced" by Smashwords.
As you know Smashwords is not a publisher. You upload your document to Smashwords. Their "meatgrinder" "produces" your ebook for distribution to the ebook outlets. Smashwords "produced" a lot of ebooks last year!
If you want to read the whole post, tootle over to Smashwords: Bowker Ranks Smashwords the #1 Producer of Indie E...: Bowker has ranked Smashwords the largest US producer of indie ebooks in 2012 according to their new annual Self Publishing Report for 2012...