Using a device that is designed to localize movement just to the fingers - through chording no less - strikes me as completely backwards ergonomically. That's

Using a device that is designed to localize movement just to the fingers - through chording no less - strikes me as completely backwards ergonomically. That's a good point on chording mechanics, and useful to compare with Douglas Engelbart's piano-like chording keyboard[1]. Also, if the current design permits minimal movement precision-grip use (vs. crossing into power grip), it may not be too bad. The tricky design challenge of the Twiddler is that it's intended for portable, handheld use. E.g. I met Steve Mann using an earlier Twiddler rev. some years back as part of his then-current cyborg rig. Perhaps it's best to look at this device as another design compromise for a portable keyboard, instead of a desktop keyboard replacement. I wouldn't necessarily want to write a novel on my phone, for similar suitability-to-purpose reasons. [1] http://www.loper-os.org/wp-content/mw/motd_ui.jpg http://www.loper-os.org/wp-content/mw/motd_ui.jpg [2] Image in [1] via http://www.loper-os.org/?p=861 http://www.loper-os.org/?p=861