Quote:
Originally Posted by robko
To (horror of horrors) bring this thread back on topic  : it's a simple matter of economics. There are obviously a segment of readers that would like bigger memory in their reader. The same argument applies as why many of the bigger companies are phasing out SD card slots: dollars and cents. Even if they could get 16G more memory for $2/unit more than 4G, if they sell 100,000 units that's an extra $200,000 cost. Chances are they aren't going to sell enough extra units to make up the difference in cost. A small extra cost per unit doesn't seem like much until you look at volumes, then it becomes serious dollars.
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SD card slots take board space, require user access.
This creates some issues (besides the cost) for a device that is going for Thinner, Lighter. Glitzier
Openings allow Dirt and Static (requires additional surge clamping devices, which need even more board space)
The SD socket has thickness and needs way more space than Onboard Surface mounted chips
The need to keep a feature in reserve for the next model release.