John Locke sells over 1 million Kindle eBooks

Amazon announced that John Locke has become the first indie author to sell one million Kindle eBooks. Although I've never read any of his books, I've read a lot about John Locke because of his success. What is notable about him, aside from his books constantly being on the bestseller lists in the Kindle bookstore, is that his novels are priced at 99 cents. All of them. All the time. Some say that he's leaving a lot of money on the table because of the price, and they may be right, but as I understand it, Locke is more interested in having people read his books than to get rich off of publishing them. Either way, I can't complain -- he has a lot more credibility than I do. I'd be ecstatic to sell one million books, even at 99 cents.