Some sort of add-on expansion or tie-in book market deal seems the most likely to me --- say a WiFi SD card as others have discussed --- what book formats which support DRM are not yet on the Sony? Support for one of those perhaps?
Or, since it supports .pdf files, a way to d/l and read Google Books?
Or some sort of tie-in deal w/ major newspapers and magazines and an updated software program which auto-downloads and synchs such overnight? (say w/ a docking station for the Reader).
William
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