My first PDA was a Psion Series 3c. A classic. This was followed by a Series 5. Even better. And then a slightly mis-judged Series 7. Probably one of the World’s first netbooks; released in 2000. These machine were well designed and some what ahead of their time. In classic British fashion Psion managed to snatch defeat from the jaws of victory and gave up the PDA market. They now live on as a supplier of industrial handhelds called Psion Teklogix. The Psion operating system (EPOC) was also ahead of its time: small, realtime, embedded.…