There was such an explosion of PIMs and PDAs in the 90s I seem to remember... My Dad went through loads of different bits of software (paid for by work)... I

There was such an explosion of PIMs and PDAs in the 90s I seem to remember... My Dad went through loads of different bits of software (paid for by work)... I can remember Ecco, Sidekick, Packrat as names, and I'm sure there were more that were more closely tied to PDAs like Psion and Palm in the later 90s...