It's definitely shaping up to be the year of e-book readers: the Amazon Kindle is flying off (virtual) shelves, and we'd expect the Barnes & Noble Nook to start moving at a decent clip once the kinks get worked out. But any device with an always-on 3G connection to a central server raises some privacy questions, especially when it can broadcast granular, specific data about what you're reading -- data that's subject to a wide spectrum of privacy laws and regulations when it comes to real books and libraries,
