The HP omnigo is a small electronic organiser which runs the GEOS operating system. it has a touch screen, nice keyboard, and, as standard, 1mb of RAM. I used mine daily for over 3.5 years until I upgraded to a psion revo shortly before the end of 1999 (the psion does pretty much the same things as the omnigo but is half the weight, much faster, and will talk to my mobile phone (motorola L7089) ...