While Gregg shorthand is great for English, its not much use for anything technical. Many of the shorthand idioms are based on the word-sound, not the word-spelling, so it's okay if you're taking notes for yourself, reading someone else's shorthand becomes an exercise in decoding the word in context because you were not there for their experience during note-taking.<p>If you don't stay fresh with your own shorthand, just like your own source code, you can find yourself re-reading your own work and wondering what you were thinking!? That's kind of what this pen in the article semi-solves, by having an audio recording synched with your shorthand.