Well, guess which Seattle-based  megaconglomerate has just bought Ivona Software (Web site here, Wikipedia entry here)—perhaps the world’s best provider of text to speech to use with e-books and other texts? That’s right, Amazon. It’s already using an Ivona voice in the Kindle Fire, and Ivona tech is also powering “Voice Guide” and “Explore by Touch.” Too bad those features aren’t available on the Paperwhite so far. Deliberate intra-brand market segmentation? Stinks either way. At any rate, even now, you can see Jeff Bezos’ corporate branding on the Ivona site. It’s too early to know how this will shake out for library users with disabilities and for other...