You know, it makes sense, really. Considering that Barnes & Noble is gearing up to launch what it calls the “world’s largest bookstore,” it should probably make sure that a maximum amount of people have access to its in-store Wi-Fi network, not to mention test it out to ensure that it can handle the strain of a million digital bookworms sucking down new material at once.After Starbucks announced that its Wi-Fi HotSpots would be available gratis for iPhone users, B&N has stepped in to announce complimentary