Google has gained permission to sell its e-books and audiobooks directly to customers through its iOS app, Google Play Books. While iOS apps today can offer access to content previously purchased elsewhere, like e-books bought via a website, developers have to request a specific exception to link their iOS app’s users to the company’s own website to make purchases. According to a brief post on Google’s blog, users will now be able to click on a new “Get book” button in the Google Play Books iOS ...