Amazon Kindle vp Ian Freed tells CNet in an interview that 20 percent of the Kindle books sold are to customers who do not own a Kindle reader. It’s the first time the company has given any indication of the size of their app-only business. Freed adds, “we see a lot of customers start with apps and buy a Kindle later.” On ebook market share, he confirms that you can’t trust percentages cited by any of the vendors–Apple, BN, Sony or Amazon itself–since none of them actually know how much business their competitors are doing, or the size of the […]