So they were starting at ground zero. All of the maturity of feature set that was on the Palm was basically lost, because there was no continuity of clue.
Nothing about this story is specific of course to the transition from Palm OS to Android and iOS. Something like this happens every time there's a new platform.
We saw a very similar thing in the move from desktop apps to web-based apps. The web-based versions lacked many of the features of the desktop versions. Part of that was it was just hard to implement those things in the browser, back in the days of Netscape 4.7, before dynamic window rendering. I say this as someone who personally was responsible for the JavaScript front end of a very crude DHTML/RDBMS-backed statistics analysis package that worked under Netscape 4.7.
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