[pjmlp]

I guess many miss the days of:

https://www.computinghistory.org.uk/det/898/Psion/

https://en.wikipedia.org/wiki/Atari_Portfolio

https://en.wikipedia.org/wiki/Nokia_Communicator

https://en.wikipedia.org/wiki/Toshiba_Libretto

Among plenty of other ones.

[cestith]

HP LX series was a big one. The AlphaSmart Dana almost fits, too - it was a Palm device rather than just the dedicated word processor and keyboard functions.

[zentiggr]

My Psion Series 3A got lots of use until the third time I dropped it and wrecked the wiring in the hinge area, and it refused to power up again. Was sad.

[smackeyacky]

The king of them all, of course, is the Radio Shack TRS-80 PC-2 pocket computer. Much cooler than the Sharp ones because Radio Shack.