And, by the early 1990s it was. Oh, and user interface themes, the silly but cool-looking software innovation du jour. That's as much RAM as my second desktop Linux box. We can thank PocketLinux for doing work on the Kaffe free Java Virtual Machine. Naturally, PocketLinux isn't the only project that's doing Linux on PDAs.
Nobody really knows.
That's the fun part about enabling technology. If you thought that Java training was only good for writing e-business applications, get PocketLinux and try it out. No, do not cover this topic.