You may also like the history of Xerox's concept of the parctab during this era: <a href="http://caseorganic.com/wiki/The_Xerox_PARCTAB" rel="nofollow">http://caseorganic.com/wiki/The_Xerox_PARCTAB</a> , <a href="https://www.youtube.com/watch?v=o4_CcNLd2iE" rel="nofollow">https://www.youtube.com/watch?v=o4_CcNLd2iE</a>
Had one. Brilliant software. Horrible battery life. Analog cellular meant glacially slow internet access. I loved it and hated it people looked at me like I was from mars (might not have been the phone). It was the Google Glass of its time in some ways. Went right from the Simon to the Palm Treo.
Interesting, I hadn't heard about that. I was expecting to see a corporate version of <a href="http://en.wikipedia.org/wiki/Simon_%28game%29" rel="nofollow">http://en.wikipedia.org/wiki/Simon_%28game%29</a>