Because I can’t get enough of it until I have one of my own:
I hadn’t heard of this program until I saw this.
Update, December 12, 2010: He replied on YouTube:
Hi. I tried your Google Book, and ezPDF Reader handles it fine, albeit a little slow: it takes 2-3 seconds to render each page. I also tried Adobe Reader 10.0.0 (the newest one from Market) and BeamReader 1.2.0, and they also opened the Google Book fine, but have their own quirks. The Quickoffice PDF viewer and Repligo Reader just display big X’s. I’ll do a comparison video and post it up some time this week.