Are you thinking of Kindle Whispernet? I do miss being able to use my early Kindle 2 with the 'experimental web browser' and go beyond the walled garden, but t

Are you thinking of Kindle Whispernet? I do miss being able to use my early Kindle 2 with the 'experimental web browser' and go beyond the walled garden, but the later 3G Kindles that were still walled off to Amazon and at least Wikipedia were still really nice for quick mobile referencing.