CDMA technology is "on its way out" for sure ... but it won't disappear in the US during the "useful life" of US Kindles. There are hundreds of millions of CDMA handsets in use and they continue to be made and marketed. Yes, there is a shift away; but it will be gradual and hasn't really begun yet in earnest. Since Amazon has already discontinued CDMA Kindles, anyone who owns one -- even brand new -- has no need to worry about getting full value within the US.
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