I decided to do a little comparison on search volumes related to 3 leading eBook readers. You can do it for any search terms by using Google Trends from Google Labs… Here’s what I got by comparing Kindle, Nook and Sony Reader:
As you can see, according to Google, ever since it was launched Amazon Kindle had the lead by both search volume and news reference volume. This held even when competing readers were launched. That was surprising even to me.