Free Wi-Fi is a big deal with consumers who travel with their laptop and mobile phones. It’s common to get access to Wi-Fi in many coffee shops and restaurants. Bookseller Barnes & Noble has announced that it will be offering free in-store access to Wi-Fi to customers at all locations nationwide. The customers will be able to freely browse and download any of the 700,000 eBooks that the retailer offers in its store and get public domain books from Google.