For instance, the significant lack of independent publishers, small and large (like, again, myself), many of which support various formats, and therefore, more reading devices, than this graphic would suggest. That alone would seriously change the reality of this graphic, leaving it looking very differently than it does now.

It is also very U.S.-centric, it omits e-book reading on computers and laptops, and it omits PDF (recently pointed out to still be the most ubiquitous e-book format out there).

This graphic is quite clearly a “newbies” graphic, suited for someone looking for companies to invest in, but not too useful for anyone else. And in fact, the omission of the OEB (ePub) format will likely collapse the plans of many of these companies banking on proprietary formats and exclusive deals, so it might not be too worthwhile for investors as-is either.

Of course, the site does say they plan to update the graphic with many of the points that have been brought to their attention. We’ll see.