Except in battery life and free-for-life network access, neither of which is a small thing.
2. Wireless Connectivity
General. Amazon provides wireless connectivity free of charge to you for certain content shopping and downloading services on your Device. You may be charged a fee for wireless connectivity for your use of other wireless services on your Device, such as Web browsing and downloading of personal files, should you elect to use those services. We will maintain a list of current fees for such services in the Kindle Store. Amazon reserves the right to discontinue wireless connectivity at any time or to otherwise change the terms for wireless connectivity at any time, including, but not limited to (a) limiting the number and size of data files that may be transferred using wireless connectivity and (b) changing the amount and terms applicable for wireless connectivity charges.
Coverage and Service Interruptions. You acknowledge that if your Device is located in any area without applicable wireless connectivity, you may not be able to use some or all elements of the wireless services. We are not responsible for the unavailability of wireless service or any interruptions of wireless connectivity.
Your Conduct. You agree you will use the wireless connectivity provided by Amazon only in connection with Services Amazon provides for the Device. You may not use the wireless connectivity for any other purpose.
Wireless Access with Whispernet
Fast 3G Network - Get Books in Under 60 Seconds
Whispernet utilizes Amazon's optimized technology plus Sprint's national high-speed (3G) data network to enable you to wirelessly search, discover, and download content on the go. Your books and periodicals are delivered via Whispernet in less than 60 seconds. And unlike Wi-Fi, you never have to hunt for a hotspot. Download times can vary based on wireless coverage strength and file size.
Who wants to be tied to Sprint for life with those terms and just for "getting" Amazon content?